81503730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 192

約数和(自身を含む): 278553600

約数和(自身を除く): 197049870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 30, 33, 35, 38, 42, 45, 55, 57, 63, 66, 70, 77, 90, 95, 99, 105, 110, 114, 126, 133, 154, 165, 171, 190, 198, 209, 210, 231, 266, 285, 315, 330, 342, 385, 399, 418, 462, 495, 570, 619, 627, 630, 665, 693, 770, 798, 855, 990, 1045, 1155, 1197, 1238, 1254, 1330, 1386, 1463, 1710, 1857, 1881, 1995, 2090, 2310, 2394, 2926, 3095, 3135, 3465, 3714, 3762, 3990, 4333, 4389, 5571, 5985, 6190, 6270, 6809, 6930, 7315, 8666, 8778, 9285, 9405, 11142, 11761, 11970, 12999, 13167, 13618, 14630, 18570, 18810, 20427, 21665, 21945, 23522, 25998, 26334, 27855, 34045, 35283, 38997, 40854, 43330, 43890, 47663, 55710, 58805, 61281, 64995, 65835, 68090, 70566, 77994, 82327, 95326, 102135, 105849, 117610, 122562, 129371, 129990, 131670, 142989, 164654, 176415, 194985, 204270, 211698, 238315, 246981, 258742, 285978, 306405, 352830, 388113, 389970, 411635, 428967, 476630, 493962, 529245, 612810, 646855, 714945, 740943, 776226, 823270, 857934, 905597, 1058490, 1164339, 1234905, 1293710, 1429890, 1481886, 1811194, 1940565, 2144835, 2328678, 2469810, 2716791, 3704715, 3881130, 4289670, 4527985, 5433582, 5821695, 7409430, 8150373, 9055970, 11643390, 13583955, 16300746, 27167910, 40751865, 81503730]

約数ペア:

[(1, 81503730), (2, 40751865), (3, 27167910), (5, 16300746), (6, 13583955), (7, 11643390), (9, 9055970), (10, 8150373), (11, 7409430), (14, 5821695), (15, 5433582), (18, 4527985), (19, 4289670), (21, 3881130), (22, 3704715), (30, 2716791), (33, 2469810), (35, 2328678), (38, 2144835), (42, 1940565), (45, 1811194), (55, 1481886), (57, 1429890), (63, 1293710), (66, 1234905), (70, 1164339), (77, 1058490), (90, 905597), (95, 857934), (99, 823270), (105, 776226), (110, 740943), (114, 714945), (126, 646855), (133, 612810), (154, 529245), (165, 493962), (171, 476630), (190, 428967), (198, 411635), (209, 389970), (210, 388113), (231, 352830), (266, 306405), (285, 285978), (315, 258742), (330, 246981), (342, 238315), (385, 211698), (399, 204270), (418, 194985), (462, 176415), (495, 164654), (570, 142989), (619, 131670), (627, 129990), (630, 129371), (665, 122562), (693, 117610), (770, 105849), (798, 102135), (855, 95326), (990, 82327), (1045, 77994), (1155, 70566), (1197, 68090), (1238, 65835), (1254, 64995), (1330, 61281), (1386, 58805), (1463, 55710), (1710, 47663), (1857, 43890), (1881, 43330), (1995, 40854), (2090, 38997), (2310, 35283), (2394, 34045), (2926, 27855), (3095, 26334), (3135, 25998), (3465, 23522), (3714, 21945), (3762, 21665), (3990, 20427), (4333, 18810), (4389, 18570), (5571, 14630), (5985, 13618), (6190, 13167), (6270, 12999), (6809, 11970), (6930, 11761), (7315, 11142), (8666, 9405), (8778, 9285)]