81936360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 320

約数和(自身を含む): 318859200

約数和(自身を除く): 236922840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 81, 88, 90, 95, 99, 108, 110, 114, 120, 121, 132, 135, 152, 162, 165, 171, 180, 190, 198, 209, 216, 220, 228, 242, 264, 270, 285, 297, 324, 330, 342, 360, 363, 380, 396, 405, 418, 440, 456, 484, 495, 513, 540, 570, 594, 605, 627, 648, 660, 684, 726, 760, 792, 810, 836, 855, 891, 968, 990, 1026, 1045, 1080, 1089, 1140, 1188, 1210, 1254, 1320, 1331, 1368, 1452, 1485, 1539, 1620, 1672, 1710, 1782, 1815, 1881, 1980, 2052, 2090, 2178, 2280, 2299, 2376, 2420, 2508, 2565, 2662, 2904, 2970, 3078, 3135, 3240, 3267, 3420, 3564, 3630, 3762, 3960, 3993, 4104, 4180, 4356, 4455, 4598, 4840, 5016, 5130, 5324, 5445, 5643, 5940, 6156, 6270, 6534, 6655, 6840, 6897, 7128, 7260, 7524, 7695, 7986, 8360, 8712, 8910, 9196, 9405, 9801, 10260, 10648, 10890, 11286, 11495, 11880, 11979, 12312, 12540, 13068, 13310, 13794, 14520, 15048, 15390, 15972, 16335, 16929, 17820, 18392, 18810, 19602, 19965, 20520, 20691, 21780, 22572, 22990, 23958, 25080, 25289, 26136, 26620, 27588, 28215, 30780, 31944, 32670, 33858, 34485, 35640, 35937, 37620, 39204, 39930, 41382, 43560, 45144, 45980, 47916, 49005, 50578, 53240, 55176, 56430, 59895, 61560, 62073, 65340, 67716, 68970, 71874, 75240, 75867, 78408, 79860, 82764, 84645, 91960, 95832, 98010, 101156, 103455, 107811, 112860, 119790, 124146, 126445, 130680, 135432, 137940, 143748, 151734, 159720, 165528, 169290, 179685, 186219, 196020, 202312, 206910, 215622, 225720, 227601, 239580, 248292, 252890, 275880, 287496, 303468, 310365, 338580, 359370, 372438, 379335, 392040, 413820, 431244, 455202, 479160, 496584, 505780, 539055, 606936, 620730, 677160, 682803, 718740, 744876, 758670, 827640, 862488, 910404, 931095, 1011560, 1078110, 1138005, 1241460, 1365606, 1437480, 1489752, 1517340, 1820808, 1862190, 2048409, 2156220, 2276010, 2482920, 2731212, 3034680, 3414015, 3724380, 4096818, 4312440, 4552020, 5462424, 6828030, 7448760, 8193636, 9104040, 10242045, 13656060, 16387272, 20484090, 27312120, 40968180, 81936360]

約数ペア:

[(1, 81936360), (2, 40968180), (3, 27312120), (4, 20484090), (5, 16387272), (6, 13656060), (8, 10242045), (9, 9104040), (10, 8193636), (11, 7448760), (12, 6828030), (15, 5462424), (18, 4552020), (19, 4312440), (20, 4096818), (22, 3724380), (24, 3414015), (27, 3034680), (30, 2731212), (33, 2482920), (36, 2276010), (38, 2156220), (40, 2048409), (44, 1862190), (45, 1820808), (54, 1517340), (55, 1489752), (57, 1437480), (60, 1365606), (66, 1241460), (72, 1138005), (76, 1078110), (81, 1011560), (88, 931095), (90, 910404), (95, 862488), (99, 827640), (108, 758670), (110, 744876), (114, 718740), (120, 682803), (121, 677160), (132, 620730), (135, 606936), (152, 539055), (162, 505780), (165, 496584), (171, 479160), (180, 455202), (190, 431244), (198, 413820), (209, 392040), (216, 379335), (220, 372438), (228, 359370), (242, 338580), (264, 310365), (270, 303468), (285, 287496), (297, 275880), (324, 252890), (330, 248292), (342, 239580), (360, 227601), (363, 225720), (380, 215622), (396, 206910), (405, 202312), (418, 196020), (440, 186219), (456, 179685), (484, 169290), (495, 165528), (513, 159720), (540, 151734), (570, 143748), (594, 137940), (605, 135432), (627, 130680), (648, 126445), (660, 124146), (684, 119790), (726, 112860), (760, 107811), (792, 103455), (810, 101156), (836, 98010), (855, 95832), (891, 91960), (968, 84645), (990, 82764), (1026, 79860), (1045, 78408), (1080, 75867), (1089, 75240), (1140, 71874), (1188, 68970), (1210, 67716), (1254, 65340), (1320, 62073), (1331, 61560), (1368, 59895), (1452, 56430), (1485, 55176), (1539, 53240), (1620, 50578), (1672, 49005), (1710, 47916), (1782, 45980), (1815, 45144), (1881, 43560), (1980, 41382), (2052, 39930), (2090, 39204), (2178, 37620), (2280, 35937), (2299, 35640), (2376, 34485), (2420, 33858), (2508, 32670), (2565, 31944), (2662, 30780), (2904, 28215), (2970, 27588), (3078, 26620), (3135, 26136), (3240, 25289), (3267, 25080), (3420, 23958), (3564, 22990), (3630, 22572), (3762, 21780), (3960, 20691), (3993, 20520), (4104, 19965), (4180, 19602), (4356, 18810), (4455, 18392), (4598, 17820), (4840, 16929), (5016, 16335), (5130, 15972), (5324, 15390), (5445, 15048), (5643, 14520), (5940, 13794), (6156, 13310), (6270, 13068), (6534, 12540), (6655, 12312), (6840, 11979), (6897, 11880), (7128, 11495), (7260, 11286), (7524, 10890), (7695, 10648), (7986, 10260), (8360, 9801), (8712, 9405), (8910, 9196)]