80510220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 307238400

約数和(自身を除く): 226728180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 59, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 118, 126, 133, 135, 140, 171, 177, 180, 189, 190, 210, 228, 236, 252, 266, 270, 285, 295, 315, 342, 354, 361, 378, 380, 399, 413, 420, 513, 531, 532, 540, 570, 590, 630, 665, 684, 708, 722, 756, 798, 826, 855, 885, 945, 1026, 1062, 1083, 1121, 1140, 1180, 1197, 1239, 1260, 1330, 1444, 1593, 1596, 1652, 1710, 1770, 1805, 1890, 1995, 2052, 2065, 2124, 2166, 2242, 2394, 2478, 2527, 2565, 2655, 2660, 3186, 3249, 3363, 3420, 3540, 3591, 3610, 3717, 3780, 3990, 4130, 4332, 4484, 4788, 4956, 5054, 5130, 5310, 5415, 5605, 5985, 6195, 6372, 6498, 6726, 7182, 7220, 7434, 7581, 7847, 7965, 7980, 8260, 9747, 10089, 10108, 10260, 10620, 10830, 11151, 11210, 11970, 12390, 12635, 12996, 13452, 14364, 14868, 15162, 15694, 15930, 16245, 16815, 17955, 18585, 19494, 20178, 21299, 21660, 22302, 22420, 22743, 23541, 23940, 24780, 25270, 30267, 30324, 31388, 31860, 32490, 33630, 35910, 37170, 37905, 38988, 39235, 40356, 42598, 44604, 45486, 47082, 48735, 50445, 50540, 55755, 60534, 63897, 64980, 67260, 68229, 70623, 71820, 74340, 75810, 78470, 85196, 90972, 94164, 97470, 100890, 106495, 111510, 113715, 117705, 121068, 127794, 136458, 141246, 149093, 151335, 151620, 156940, 191691, 194940, 201780, 211869, 212990, 223020, 227430, 235410, 255588, 272916, 282492, 298186, 302670, 319485, 341145, 353115, 383382, 423738, 425980, 447279, 454860, 470820, 575073, 596372, 605340, 638970, 682290, 706230, 745465, 766764, 847476, 894558, 958455, 1059345, 1150146, 1277940, 1341837, 1364580, 1412460, 1490930, 1789116, 1916910, 2118690, 2236395, 2300292, 2683674, 2875365, 2981860, 3833820, 4025511, 4237380, 4472790, 5367348, 5750730, 6709185, 8051022, 8945580, 11501460, 13418370, 16102044, 20127555, 26836740, 40255110, 80510220]

約数ペア:

[(1, 80510220), (2, 40255110), (3, 26836740), (4, 20127555), (5, 16102044), (6, 13418370), (7, 11501460), (9, 8945580), (10, 8051022), (12, 6709185), (14, 5750730), (15, 5367348), (18, 4472790), (19, 4237380), (20, 4025511), (21, 3833820), (27, 2981860), (28, 2875365), (30, 2683674), (35, 2300292), (36, 2236395), (38, 2118690), (42, 1916910), (45, 1789116), (54, 1490930), (57, 1412460), (59, 1364580), (60, 1341837), (63, 1277940), (70, 1150146), (76, 1059345), (84, 958455), (90, 894558), (95, 847476), (105, 766764), (108, 745465), (114, 706230), (118, 682290), (126, 638970), (133, 605340), (135, 596372), (140, 575073), (171, 470820), (177, 454860), (180, 447279), (189, 425980), (190, 423738), (210, 383382), (228, 353115), (236, 341145), (252, 319485), (266, 302670), (270, 298186), (285, 282492), (295, 272916), (315, 255588), (342, 235410), (354, 227430), (361, 223020), (378, 212990), (380, 211869), (399, 201780), (413, 194940), (420, 191691), (513, 156940), (531, 151620), (532, 151335), (540, 149093), (570, 141246), (590, 136458), (630, 127794), (665, 121068), (684, 117705), (708, 113715), (722, 111510), (756, 106495), (798, 100890), (826, 97470), (855, 94164), (885, 90972), (945, 85196), (1026, 78470), (1062, 75810), (1083, 74340), (1121, 71820), (1140, 70623), (1180, 68229), (1197, 67260), (1239, 64980), (1260, 63897), (1330, 60534), (1444, 55755), (1593, 50540), (1596, 50445), (1652, 48735), (1710, 47082), (1770, 45486), (1805, 44604), (1890, 42598), (1995, 40356), (2052, 39235), (2065, 38988), (2124, 37905), (2166, 37170), (2242, 35910), (2394, 33630), (2478, 32490), (2527, 31860), (2565, 31388), (2655, 30324), (2660, 30267), (3186, 25270), (3249, 24780), (3363, 23940), (3420, 23541), (3540, 22743), (3591, 22420), (3610, 22302), (3717, 21660), (3780, 21299), (3990, 20178), (4130, 19494), (4332, 18585), (4484, 17955), (4788, 16815), (4956, 16245), (5054, 15930), (5130, 15694), (5310, 15162), (5415, 14868), (5605, 14364), (5985, 13452), (6195, 12996), (6372, 12635), (6498, 12390), (6726, 11970), (7182, 11210), (7220, 11151), (7434, 10830), (7581, 10620), (7847, 10260), (7965, 10108), (7980, 10089), (8260, 9747)]