12478440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 42537600

約数和(自身を除く): 30059160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 421, 456, 494, 520, 570, 741, 760, 780, 842, 988, 1140, 1235, 1263, 1482, 1560, 1684, 1976, 2105, 2280, 2470, 2526, 2964, 3368, 3705, 4210, 4940, 5052, 5473, 5928, 6315, 7410, 7999, 8420, 9880, 10104, 10946, 12630, 14820, 15998, 16419, 16840, 21892, 23997, 25260, 27365, 29640, 31996, 32838, 39995, 43784, 47994, 50520, 54730, 63992, 65676, 79990, 82095, 95988, 103987, 109460, 119985, 131352, 159980, 164190, 191976, 207974, 218920, 239970, 311961, 319960, 328380, 415948, 479940, 519935, 623922, 656760, 831896, 959880, 1039870, 1247844, 1559805, 2079740, 2495688, 3119610, 4159480, 6239220, 12478440]

約数ペア:

[(1, 12478440), (2, 6239220), (3, 4159480), (4, 3119610), (5, 2495688), (6, 2079740), (8, 1559805), (10, 1247844), (12, 1039870), (13, 959880), (15, 831896), (19, 656760), (20, 623922), (24, 519935), (26, 479940), (30, 415948), (38, 328380), (39, 319960), (40, 311961), (52, 239970), (57, 218920), (60, 207974), (65, 191976), (76, 164190), (78, 159980), (95, 131352), (104, 119985), (114, 109460), (120, 103987), (130, 95988), (152, 82095), (156, 79990), (190, 65676), (195, 63992), (228, 54730), (247, 50520), (260, 47994), (285, 43784), (312, 39995), (380, 32838), (390, 31996), (421, 29640), (456, 27365), (494, 25260), (520, 23997), (570, 21892), (741, 16840), (760, 16419), (780, 15998), (842, 14820), (988, 12630), (1140, 10946), (1235, 10104), (1263, 9880), (1482, 8420), (1560, 7999), (1684, 7410), (1976, 6315), (2105, 5928), (2280, 5473), (2470, 5052), (2526, 4940), (2964, 4210), (3368, 3705)]