31911360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2590

約数の個数: 112

約数和(自身を含む): 109154976

約数和(自身を除く): 77243616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 2557, 3120, 4160, 5114, 6240, 7671, 10228, 12480, 12785, 15342, 20456, 25570, 30684, 33241, 38355, 40912, 51140, 61368, 66482, 76710, 81824, 99723, 102280, 122736, 132964, 153420, 163648, 166205, 199446, 204560, 245472, 265928, 306840, 332410, 398892, 409120, 490944, 498615, 531856, 613680, 664820, 797784, 818240, 997230, 1063712, 1227360, 1329640, 1595568, 1994460, 2127424, 2454720, 2659280, 3191136, 3988920, 5318560, 6382272, 7977840, 10637120, 15955680, 31911360]

約数ペア:

[(1, 31911360), (2, 15955680), (3, 10637120), (4, 7977840), (5, 6382272), (6, 5318560), (8, 3988920), (10, 3191136), (12, 2659280), (13, 2454720), (15, 2127424), (16, 1994460), (20, 1595568), (24, 1329640), (26, 1227360), (30, 1063712), (32, 997230), (39, 818240), (40, 797784), (48, 664820), (52, 613680), (60, 531856), (64, 498615), (65, 490944), (78, 409120), (80, 398892), (96, 332410), (104, 306840), (120, 265928), (130, 245472), (156, 204560), (160, 199446), (192, 166205), (195, 163648), (208, 153420), (240, 132964), (260, 122736), (312, 102280), (320, 99723), (390, 81824), (416, 76710), (480, 66482), (520, 61368), (624, 51140), (780, 40912), (832, 38355), (960, 33241), (1040, 30684), (1248, 25570), (1560, 20456), (2080, 15342), (2496, 12785), (2557, 12480), (3120, 10228), (4160, 7671), (5114, 6240)]