263439240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3079}}^1$

素因数の和:3147

約数の個数: 128

約数和(自身を含む): 851558400

約数和(自身を除く): 588119160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2760, 2852, 3079, 3565, 3720, 4278, 5704, 6158, 7130, 8556, 9237, 10695, 12316, 14260, 15395, 17112, 18474, 21390, 24632, 28520, 30790, 36948, 42780, 46185, 61580, 70817, 73896, 85560, 92370, 95449, 123160, 141634, 184740, 190898, 212451, 283268, 286347, 354085, 369480, 381796, 424902, 477245, 566536, 572694, 708170, 763592, 849804, 954490, 1062255, 1145388, 1416340, 1431735, 1699608, 1908980, 2124510, 2195327, 2290776, 2832680, 2863470, 3817960, 4249020, 4390654, 5726940, 6585981, 8498040, 8781308, 10976635, 11453880, 13171962, 17562616, 21953270, 26343924, 32929905, 43906540, 52687848, 65859810, 87813080, 131719620, 263439240]

約数ペア:

[(1, 263439240), (2, 131719620), (3, 87813080), (4, 65859810), (5, 52687848), (6, 43906540), (8, 32929905), (10, 26343924), (12, 21953270), (15, 17562616), (20, 13171962), (23, 11453880), (24, 10976635), (30, 8781308), (31, 8498040), (40, 6585981), (46, 5726940), (60, 4390654), (62, 4249020), (69, 3817960), (92, 2863470), (93, 2832680), (115, 2290776), (120, 2195327), (124, 2124510), (138, 1908980), (155, 1699608), (184, 1431735), (186, 1416340), (230, 1145388), (248, 1062255), (276, 954490), (310, 849804), (345, 763592), (372, 708170), (460, 572694), (465, 566536), (552, 477245), (620, 424902), (690, 381796), (713, 369480), (744, 354085), (920, 286347), (930, 283268), (1240, 212451), (1380, 190898), (1426, 184740), (1860, 141634), (2139, 123160), (2760, 95449), (2852, 92370), (3079, 85560), (3565, 73896), (3720, 70817), (4278, 61580), (5704, 46185), (6158, 42780), (7130, 36948), (8556, 30790), (9237, 28520), (10695, 24632), (12316, 21390), (14260, 18474), (15395, 17112)]