81219150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1787}}^1$

素因数の和:1906

約数の個数: 72

約数和(自身を含む): 220492584

約数和(自身を除く): 139273434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 101, 150, 202, 225, 303, 450, 505, 606, 909, 1010, 1515, 1787, 1818, 2525, 3030, 3574, 4545, 5050, 5361, 7575, 8935, 9090, 10722, 15150, 16083, 17870, 22725, 26805, 32166, 44675, 45450, 53610, 80415, 89350, 134025, 160830, 180487, 268050, 360974, 402075, 541461, 804150, 902435, 1082922, 1624383, 1804870, 2707305, 3248766, 4512175, 5414610, 8121915, 9024350, 13536525, 16243830, 27073050, 40609575, 81219150]

約数ペア:

[(1, 81219150), (2, 40609575), (3, 27073050), (5, 16243830), (6, 13536525), (9, 9024350), (10, 8121915), (15, 5414610), (18, 4512175), (25, 3248766), (30, 2707305), (45, 1804870), (50, 1624383), (75, 1082922), (90, 902435), (101, 804150), (150, 541461), (202, 402075), (225, 360974), (303, 268050), (450, 180487), (505, 160830), (606, 134025), (909, 89350), (1010, 80415), (1515, 53610), (1787, 45450), (1818, 44675), (2525, 32166), (3030, 26805), (3574, 22725), (4545, 17870), (5050, 16083), (5361, 15150), (7575, 10722), (8935, 9090)]