81876320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1228

約数の個数: 96

約数和(自身を含む): 212647680

約数和(自身を除く): 130771360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1171, 1520, 1748, 1840, 2185, 2342, 3040, 3496, 3680, 4370, 4684, 5855, 6992, 8740, 9368, 11710, 13984, 17480, 18736, 22249, 23420, 26933, 34960, 37472, 44498, 46840, 53866, 69920, 88996, 93680, 107732, 111245, 134665, 177992, 187360, 215464, 222490, 269330, 355984, 430928, 444980, 511727, 538660, 711968, 861856, 889960, 1023454, 1077320, 1779920, 2046908, 2154640, 2558635, 3559840, 4093816, 4309280, 5117270, 8187632, 10234540, 16375264, 20469080, 40938160, 81876320]

約数ペア:

[(1, 81876320), (2, 40938160), (4, 20469080), (5, 16375264), (8, 10234540), (10, 8187632), (16, 5117270), (19, 4309280), (20, 4093816), (23, 3559840), (32, 2558635), (38, 2154640), (40, 2046908), (46, 1779920), (76, 1077320), (80, 1023454), (92, 889960), (95, 861856), (115, 711968), (152, 538660), (160, 511727), (184, 444980), (190, 430928), (230, 355984), (304, 269330), (368, 222490), (380, 215464), (437, 187360), (460, 177992), (608, 134665), (736, 111245), (760, 107732), (874, 93680), (920, 88996), (1171, 69920), (1520, 53866), (1748, 46840), (1840, 44498), (2185, 37472), (2342, 34960), (3040, 26933), (3496, 23420), (3680, 22249), (4370, 18736), (4684, 17480), (5855, 13984), (6992, 11710), (8740, 9368)]