281243040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3467}}^1$

素因数の和:3511

約数の個数: 144

約数和(自身を含む): 959581728

約数和(自身を除く): 678338688

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3380, 3467, 4056, 5070, 5408, 6240, 6760, 6934, 8112, 10140, 10401, 13520, 13868, 16224, 17335, 20280, 20802, 27040, 27736, 34670, 40560, 41604, 45071, 52005, 55472, 69340, 81120, 83208, 90142, 104010, 110944, 135213, 138680, 166416, 180284, 208020, 225355, 270426, 277360, 332832, 360568, 416040, 450710, 540852, 554720, 585923, 676065, 721136, 832080, 901420, 1081704, 1171846, 1352130, 1442272, 1664160, 1757769, 1802840, 2163408, 2343692, 2704260, 2929615, 3515538, 3605680, 4326816, 4687384, 5408520, 5859230, 7031076, 7211360, 8788845, 9374768, 10817040, 11718460, 14062152, 17577690, 18749536, 21634080, 23436920, 28124304, 35155380, 46873840, 56248608, 70310760, 93747680, 140621520, 281243040]

約数ペア:

[(1, 281243040), (2, 140621520), (3, 93747680), (4, 70310760), (5, 56248608), (6, 46873840), (8, 35155380), (10, 28124304), (12, 23436920), (13, 21634080), (15, 18749536), (16, 17577690), (20, 14062152), (24, 11718460), (26, 10817040), (30, 9374768), (32, 8788845), (39, 7211360), (40, 7031076), (48, 5859230), (52, 5408520), (60, 4687384), (65, 4326816), (78, 3605680), (80, 3515538), (96, 2929615), (104, 2704260), (120, 2343692), (130, 2163408), (156, 1802840), (160, 1757769), (169, 1664160), (195, 1442272), (208, 1352130), (240, 1171846), (260, 1081704), (312, 901420), (338, 832080), (390, 721136), (416, 676065), (480, 585923), (507, 554720), (520, 540852), (624, 450710), (676, 416040), (780, 360568), (845, 332832), (1014, 277360), (1040, 270426), (1248, 225355), (1352, 208020), (1560, 180284), (1690, 166416), (2028, 138680), (2080, 135213), (2535, 110944), (2704, 104010), (3120, 90142), (3380, 83208), (3467, 81120), (4056, 69340), (5070, 55472), (5408, 52005), (6240, 45071), (6760, 41604), (6934, 40560), (8112, 34670), (10140, 27736), (10401, 27040), (13520, 20802), (13868, 20280), (16224, 17335)]