31481940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3259}}^1$

素因数の和:3301

約数の個数: 96

約数和(自身を含む): 105154560

約数和(自身を除く): 73672620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 3259, 4830, 6518, 9660, 9777, 13036, 16295, 19554, 22813, 32590, 39108, 45626, 48885, 65180, 68439, 74957, 91252, 97770, 114065, 136878, 149914, 195540, 224871, 228130, 273756, 299828, 342195, 374785, 449742, 456260, 524699, 684390, 749570, 899484, 1049398, 1124355, 1368780, 1499140, 1574097, 2098796, 2248710, 2623495, 3148194, 4497420, 5246990, 6296388, 7870485, 10493980, 15740970, 31481940]

約数ペア:

[(1, 31481940), (2, 15740970), (3, 10493980), (4, 7870485), (5, 6296388), (6, 5246990), (7, 4497420), (10, 3148194), (12, 2623495), (14, 2248710), (15, 2098796), (20, 1574097), (21, 1499140), (23, 1368780), (28, 1124355), (30, 1049398), (35, 899484), (42, 749570), (46, 684390), (60, 524699), (69, 456260), (70, 449742), (84, 374785), (92, 342195), (105, 299828), (115, 273756), (138, 228130), (140, 224871), (161, 195540), (210, 149914), (230, 136878), (276, 114065), (322, 97770), (345, 91252), (420, 74957), (460, 68439), (483, 65180), (644, 48885), (690, 45626), (805, 39108), (966, 32590), (1380, 22813), (1610, 19554), (1932, 16295), (2415, 13036), (3220, 9777), (3259, 9660), (4830, 6518)]