78211980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 432

約数和(自身を含む): 325328640

約数和(自身を除く): 247116660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 27, 28, 30, 33, 35, 36, 38, 42, 44, 45, 54, 55, 57, 60, 63, 66, 70, 76, 77, 81, 84, 90, 95, 99, 105, 108, 110, 114, 121, 126, 132, 133, 135, 140, 154, 162, 165, 171, 180, 189, 190, 198, 209, 210, 220, 228, 231, 242, 243, 252, 266, 270, 285, 297, 308, 315, 324, 330, 342, 363, 378, 380, 385, 396, 399, 405, 418, 420, 462, 484, 486, 495, 513, 532, 540, 567, 570, 594, 605, 627, 630, 660, 665, 684, 693, 726, 756, 770, 798, 810, 836, 847, 855, 891, 924, 945, 972, 990, 1026, 1045, 1089, 1134, 1140, 1155, 1188, 1197, 1210, 1215, 1254, 1260, 1330, 1386, 1452, 1463, 1485, 1539, 1540, 1596, 1620, 1694, 1701, 1710, 1782, 1815, 1881, 1890, 1980, 1995, 2052, 2079, 2090, 2178, 2268, 2299, 2310, 2394, 2420, 2430, 2508, 2541, 2565, 2660, 2673, 2772, 2835, 2926, 2970, 3078, 3135, 3267, 3388, 3402, 3420, 3465, 3564, 3591, 3630, 3762, 3780, 3990, 4158, 4180, 4235, 4356, 4389, 4455, 4598, 4617, 4620, 4788, 4860, 5082, 5130, 5346, 5445, 5643, 5670, 5852, 5940, 5985, 6156, 6237, 6270, 6534, 6804, 6897, 6930, 7182, 7260, 7315, 7524, 7623, 7695, 7980, 8316, 8470, 8505, 8778, 8910, 9196, 9234, 9405, 9801, 10164, 10260, 10395, 10692, 10773, 10890, 11286, 11340, 11495, 11970, 12474, 12540, 12705, 13068, 13167, 13365, 13794, 13860, 14364, 14630, 15246, 15390, 16093, 16335, 16929, 16940, 17010, 17556, 17820, 17955, 18468, 18711, 18810, 19602, 20691, 20790, 21546, 21780, 21945, 22572, 22869, 22990, 23085, 23940, 24948, 25410, 26334, 26730, 27588, 28215, 29260, 29403, 30492, 30780, 31185, 32186, 32319, 32670, 33858, 34020, 34485, 35910, 37422, 37620, 38115, 39204, 39501, 41382, 41580, 43092, 43890, 45738, 45980, 46170, 48279, 49005, 50787, 50820, 52668, 53460, 53865, 56430, 58806, 62073, 62370, 64372, 64638, 65340, 65835, 67716, 68607, 68970, 71820, 74844, 76230, 79002, 80465, 82764, 84645, 87780, 91476, 92340, 93555, 96558, 98010, 101574, 103455, 107730, 112860, 114345, 117612, 118503, 124146, 124740, 129276, 131670, 137214, 137940, 144837, 147015, 152460, 158004, 160930, 161595, 169290, 186219, 187110, 193116, 196020, 197505, 203148, 205821, 206910, 215460, 228690, 237006, 241395, 248292, 253935, 263340, 274428, 289674, 294030, 310365, 321860, 323190, 338580, 343035, 355509, 372438, 374220, 395010, 411642, 413820, 434511, 457380, 474012, 482790, 507870, 558657, 579348, 588060, 592515, 620730, 646380, 686070, 711018, 724185, 744876, 790020, 823284, 869022, 931095, 965580, 1015740, 1029105, 1117314, 1185030, 1241460, 1303533, 1372140, 1422036, 1448370, 1738044, 1777545, 1862190, 2058210, 2172555, 2234628, 2370060, 2607066, 2793285, 2896740, 3555090, 3724380, 3910599, 4116420, 4345110, 5214132, 5586570, 6517665, 7110180, 7821198, 8690220, 11173140, 13035330, 15642396, 19552995, 26070660, 39105990, 78211980]

約数ペア:

[(1, 78211980), (2, 39105990), (3, 26070660), (4, 19552995), (5, 15642396), (6, 13035330), (7, 11173140), (9, 8690220), (10, 7821198), (11, 7110180), (12, 6517665), (14, 5586570), (15, 5214132), (18, 4345110), (19, 4116420), (20, 3910599), (21, 3724380), (22, 3555090), (27, 2896740), (28, 2793285), (30, 2607066), (33, 2370060), (35, 2234628), (36, 2172555), (38, 2058210), (42, 1862190), (44, 1777545), (45, 1738044), (54, 1448370), (55, 1422036), (57, 1372140), (60, 1303533), (63, 1241460), (66, 1185030), (70, 1117314), (76, 1029105), (77, 1015740), (81, 965580), (84, 931095), (90, 869022), (95, 823284), (99, 790020), (105, 744876), (108, 724185), (110, 711018), (114, 686070), (121, 646380), (126, 620730), (132, 592515), (133, 588060), (135, 579348), (140, 558657), (154, 507870), (162, 482790), (165, 474012), (171, 457380), (180, 434511), (189, 413820), (190, 411642), (198, 395010), (209, 374220), (210, 372438), (220, 355509), (228, 343035), (231, 338580), (242, 323190), (243, 321860), (252, 310365), (266, 294030), (270, 289674), (285, 274428), (297, 263340), (308, 253935), (315, 248292), (324, 241395), (330, 237006), (342, 228690), (363, 215460), (378, 206910), (380, 205821), (385, 203148), (396, 197505), (399, 196020), (405, 193116), (418, 187110), (420, 186219), (462, 169290), (484, 161595), (486, 160930), (495, 158004), (513, 152460), (532, 147015), (540, 144837), (567, 137940), (570, 137214), (594, 131670), (605, 129276), (627, 124740), (630, 124146), (660, 118503), (665, 117612), (684, 114345), (693, 112860), (726, 107730), (756, 103455), (770, 101574), (798, 98010), (810, 96558), (836, 93555), (847, 92340), (855, 91476), (891, 87780), (924, 84645), (945, 82764), (972, 80465), (990, 79002), (1026, 76230), (1045, 74844), (1089, 71820), (1134, 68970), (1140, 68607), (1155, 67716), (1188, 65835), (1197, 65340), (1210, 64638), (1215, 64372), (1254, 62370), (1260, 62073), (1330, 58806), (1386, 56430), (1452, 53865), (1463, 53460), (1485, 52668), (1539, 50820), (1540, 50787), (1596, 49005), (1620, 48279), (1694, 46170), (1701, 45980), (1710, 45738), (1782, 43890), (1815, 43092), (1881, 41580), (1890, 41382), (1980, 39501), (1995, 39204), (2052, 38115), (2079, 37620), (2090, 37422), (2178, 35910), (2268, 34485), (2299, 34020), (2310, 33858), (2394, 32670), (2420, 32319), (2430, 32186), (2508, 31185), (2541, 30780), (2565, 30492), (2660, 29403), (2673, 29260), (2772, 28215), (2835, 27588), (2926, 26730), (2970, 26334), (3078, 25410), (3135, 24948), (3267, 23940), (3388, 23085), (3402, 22990), (3420, 22869), (3465, 22572), (3564, 21945), (3591, 21780), (3630, 21546), (3762, 20790), (3780, 20691), (3990, 19602), (4158, 18810), (4180, 18711), (4235, 18468), (4356, 17955), (4389, 17820), (4455, 17556), (4598, 17010), (4617, 16940), (4620, 16929), (4788, 16335), (4860, 16093), (5082, 15390), (5130, 15246), (5346, 14630), (5445, 14364), (5643, 13860), (5670, 13794), (5852, 13365), (5940, 13167), (5985, 13068), (6156, 12705), (6237, 12540), (6270, 12474), (6534, 11970), (6804, 11495), (6897, 11340), (6930, 11286), (7182, 10890), (7260, 10773), (7315, 10692), (7524, 10395), (7623, 10260), (7695, 10164), (7980, 9801), (8316, 9405), (8470, 9234), (8505, 9196), (8778, 8910)]