31979220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5857}}^1$

素因数の和:5889

約数の個数: 96

約数和(自身を含む): 110224128

約数和(自身を除く): 78244908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 5857, 11714, 17571, 23428, 29285, 35142, 40999, 58570, 70284, 76141, 81998, 87855, 117140, 122997, 152282, 163996, 175710, 204995, 228423, 245994, 304564, 351420, 380705, 409990, 456846, 491988, 532987, 614985, 761410, 819980, 913692, 1065974, 1142115, 1229970, 1522820, 1598961, 2131948, 2284230, 2459940, 2664935, 3197922, 4568460, 5329870, 6395844, 7994805, 10659740, 15989610, 31979220]

約数ペア:

[(1, 31979220), (2, 15989610), (3, 10659740), (4, 7994805), (5, 6395844), (6, 5329870), (7, 4568460), (10, 3197922), (12, 2664935), (13, 2459940), (14, 2284230), (15, 2131948), (20, 1598961), (21, 1522820), (26, 1229970), (28, 1142115), (30, 1065974), (35, 913692), (39, 819980), (42, 761410), (52, 614985), (60, 532987), (65, 491988), (70, 456846), (78, 409990), (84, 380705), (91, 351420), (105, 304564), (130, 245994), (140, 228423), (156, 204995), (182, 175710), (195, 163996), (210, 152282), (260, 122997), (273, 117140), (364, 87855), (390, 81998), (420, 76141), (455, 70284), (546, 58570), (780, 40999), (910, 35142), (1092, 29285), (1365, 23428), (1820, 17571), (2730, 11714), (5460, 5857)]