30955360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 76458816

約数和(自身を除く): 45503456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 992, 1240, 1264, 1580, 2449, 2480, 2528, 3160, 4898, 4960, 6241, 6320, 9796, 12245, 12482, 12640, 19592, 24490, 24964, 31205, 39184, 48980, 49928, 62410, 78368, 97960, 99856, 124820, 193471, 195920, 199712, 249640, 386942, 391840, 499280, 773884, 967355, 998560, 1547768, 1934710, 3095536, 3869420, 6191072, 7738840, 15477680, 30955360]

約数ペア:

[(1, 30955360), (2, 15477680), (4, 7738840), (5, 6191072), (8, 3869420), (10, 3095536), (16, 1934710), (20, 1547768), (31, 998560), (32, 967355), (40, 773884), (62, 499280), (79, 391840), (80, 386942), (124, 249640), (155, 199712), (158, 195920), (160, 193471), (248, 124820), (310, 99856), (316, 97960), (395, 78368), (496, 62410), (620, 49928), (632, 48980), (790, 39184), (992, 31205), (1240, 24964), (1264, 24490), (1580, 19592), (2449, 12640), (2480, 12482), (2528, 12245), (3160, 9796), (4898, 6320), (4960, 6241)]