870836720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1651

約数の個数: 120

約数和(自身を含む): 2247324912

約数和(自身を除く): 1376488192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 169, 205, 208, 260, 328, 338, 410, 520, 533, 656, 676, 820, 845, 1040, 1066, 1352, 1571, 1640, 1690, 2132, 2665, 2704, 3142, 3280, 3380, 4264, 5330, 6284, 6760, 6929, 7855, 8528, 10660, 12568, 13520, 13858, 15710, 20423, 21320, 25136, 27716, 31420, 34645, 40846, 42640, 55432, 62840, 64411, 69290, 81692, 102115, 110864, 125680, 128822, 138580, 163384, 204230, 257644, 265499, 277160, 322055, 326768, 408460, 515288, 530998, 554320, 644110, 816920, 837343, 1030576, 1061996, 1288220, 1327495, 1633840, 1674686, 2123992, 2576440, 2654990, 3349372, 4186715, 4247984, 5152880, 5309980, 6698744, 8373430, 10619960, 10885459, 13397488, 16746860, 21239920, 21770918, 33493720, 43541836, 54427295, 66987440, 87083672, 108854590, 174167344, 217709180, 435418360, 870836720]

約数ペア:

[(1, 870836720), (2, 435418360), (4, 217709180), (5, 174167344), (8, 108854590), (10, 87083672), (13, 66987440), (16, 54427295), (20, 43541836), (26, 33493720), (40, 21770918), (41, 21239920), (52, 16746860), (65, 13397488), (80, 10885459), (82, 10619960), (104, 8373430), (130, 6698744), (164, 5309980), (169, 5152880), (205, 4247984), (208, 4186715), (260, 3349372), (328, 2654990), (338, 2576440), (410, 2123992), (520, 1674686), (533, 1633840), (656, 1327495), (676, 1288220), (820, 1061996), (845, 1030576), (1040, 837343), (1066, 816920), (1352, 644110), (1571, 554320), (1640, 530998), (1690, 515288), (2132, 408460), (2665, 326768), (2704, 322055), (3142, 277160), (3280, 265499), (3380, 257644), (4264, 204230), (5330, 163384), (6284, 138580), (6760, 128822), (6929, 125680), (7855, 110864), (8528, 102115), (10660, 81692), (12568, 69290), (13520, 64411), (13858, 62840), (15710, 55432), (20423, 42640), (21320, 40846), (25136, 34645), (27716, 31420)]