123743970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 380090880

約数和(自身を除く): 256346910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 233, 270, 281, 315, 378, 466, 562, 630, 699, 843, 945, 1165, 1398, 1405, 1631, 1686, 1890, 1967, 2097, 2330, 2529, 2810, 3262, 3495, 3934, 4194, 4215, 4893, 5058, 5901, 6291, 6990, 7587, 8155, 8430, 9786, 9835, 10485, 11802, 12582, 12645, 14679, 15174, 16310, 17703, 19670, 20970, 24465, 25290, 29358, 29505, 31455, 35406, 37935, 44037, 48930, 53109, 59010, 62910, 65473, 73395, 75870, 88074, 88515, 106218, 130946, 146790, 177030, 196419, 220185, 265545, 327365, 392838, 440370, 458311, 531090, 589257, 654730, 916622, 982095, 1178514, 1374933, 1767771, 1964190, 2291555, 2749866, 2946285, 3535542, 4124799, 4583110, 5892570, 6874665, 8249598, 8838855, 12374397, 13749330, 17677710, 20623995, 24748794, 41247990, 61871985, 123743970]

約数ペア:

[(1, 123743970), (2, 61871985), (3, 41247990), (5, 24748794), (6, 20623995), (7, 17677710), (9, 13749330), (10, 12374397), (14, 8838855), (15, 8249598), (18, 6874665), (21, 5892570), (27, 4583110), (30, 4124799), (35, 3535542), (42, 2946285), (45, 2749866), (54, 2291555), (63, 1964190), (70, 1767771), (90, 1374933), (105, 1178514), (126, 982095), (135, 916622), (189, 654730), (210, 589257), (233, 531090), (270, 458311), (281, 440370), (315, 392838), (378, 327365), (466, 265545), (562, 220185), (630, 196419), (699, 177030), (843, 146790), (945, 130946), (1165, 106218), (1398, 88515), (1405, 88074), (1631, 75870), (1686, 73395), (1890, 65473), (1967, 62910), (2097, 59010), (2330, 53109), (2529, 48930), (2810, 44037), (3262, 37935), (3495, 35406), (3934, 31455), (4194, 29505), (4215, 29358), (4893, 25290), (5058, 24465), (5901, 20970), (6291, 19670), (6990, 17703), (7587, 16310), (8155, 15174), (8430, 14679), (9786, 12645), (9835, 12582), (10485, 11802)]