128505540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1171}}^1$

素因数の和:1273

約数の個数: 96

約数和(自身を含む): 378040320

約数和(自身を除く): 249534780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 59, 60, 62, 93, 118, 124, 155, 177, 186, 236, 295, 310, 354, 372, 465, 590, 620, 708, 885, 930, 1171, 1180, 1770, 1829, 1860, 2342, 3513, 3540, 3658, 4684, 5487, 5855, 7026, 7316, 9145, 10974, 11710, 14052, 17565, 18290, 21948, 23420, 27435, 35130, 36301, 36580, 54870, 69089, 70260, 72602, 108903, 109740, 138178, 145204, 181505, 207267, 217806, 276356, 345445, 363010, 414534, 435612, 544515, 690890, 726020, 829068, 1036335, 1089030, 1381780, 2072670, 2141759, 2178060, 4145340, 4283518, 6425277, 8567036, 10708795, 12850554, 21417590, 25701108, 32126385, 42835180, 64252770, 128505540]

約数ペア:

[(1, 128505540), (2, 64252770), (3, 42835180), (4, 32126385), (5, 25701108), (6, 21417590), (10, 12850554), (12, 10708795), (15, 8567036), (20, 6425277), (30, 4283518), (31, 4145340), (59, 2178060), (60, 2141759), (62, 2072670), (93, 1381780), (118, 1089030), (124, 1036335), (155, 829068), (177, 726020), (186, 690890), (236, 544515), (295, 435612), (310, 414534), (354, 363010), (372, 345445), (465, 276356), (590, 217806), (620, 207267), (708, 181505), (885, 145204), (930, 138178), (1171, 109740), (1180, 108903), (1770, 72602), (1829, 70260), (1860, 69089), (2342, 54870), (3513, 36580), (3540, 36301), (3658, 35130), (4684, 27435), (5487, 23420), (5855, 21948), (7026, 18290), (7316, 17565), (9145, 14052), (10974, 11710)]