37781940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 125483904

約数和(自身を除く): 87701964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 181, 196, 210, 213, 245, 284, 294, 355, 362, 420, 426, 490, 497, 543, 588, 710, 724, 735, 852, 905, 980, 994, 1065, 1086, 1267, 1420, 1470, 1491, 1810, 1988, 2130, 2172, 2485, 2534, 2715, 2940, 2982, 3479, 3620, 3801, 4260, 4970, 5068, 5430, 5964, 6335, 6958, 7455, 7602, 8869, 9940, 10437, 10860, 12670, 12851, 13916, 14910, 15204, 17395, 17738, 19005, 20874, 25340, 25702, 26607, 29820, 34790, 35476, 38010, 38553, 41748, 44345, 51404, 52185, 53214, 64255, 69580, 76020, 77106, 88690, 89957, 104370, 106428, 128510, 133035, 154212, 177380, 179914, 192765, 208740, 257020, 266070, 269871, 359828, 385530, 449785, 532140, 539742, 629699, 771060, 899570, 1079484, 1259398, 1349355, 1799140, 1889097, 2518796, 2698710, 3148495, 3778194, 5397420, 6296990, 7556388, 9445485, 12593980, 18890970, 37781940]

約数ペア:

[(1, 37781940), (2, 18890970), (3, 12593980), (4, 9445485), (5, 7556388), (6, 6296990), (7, 5397420), (10, 3778194), (12, 3148495), (14, 2698710), (15, 2518796), (20, 1889097), (21, 1799140), (28, 1349355), (30, 1259398), (35, 1079484), (42, 899570), (49, 771060), (60, 629699), (70, 539742), (71, 532140), (84, 449785), (98, 385530), (105, 359828), (140, 269871), (142, 266070), (147, 257020), (181, 208740), (196, 192765), (210, 179914), (213, 177380), (245, 154212), (284, 133035), (294, 128510), (355, 106428), (362, 104370), (420, 89957), (426, 88690), (490, 77106), (497, 76020), (543, 69580), (588, 64255), (710, 53214), (724, 52185), (735, 51404), (852, 44345), (905, 41748), (980, 38553), (994, 38010), (1065, 35476), (1086, 34790), (1267, 29820), (1420, 26607), (1470, 25702), (1491, 25340), (1810, 20874), (1988, 19005), (2130, 17738), (2172, 17395), (2485, 15204), (2534, 14910), (2715, 13916), (2940, 12851), (2982, 12670), (3479, 10860), (3620, 10437), (3801, 9940), (4260, 8869), (4970, 7602), (5068, 7455), (5430, 6958), (5964, 6335)]