280376880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1243

約数の個数: 160

約数和(自身を含む): 1000602624

約数和(自身を除く): 720225744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 471, 560, 628, 785, 840, 942, 1063, 1099, 1256, 1570, 1680, 1884, 2126, 2198, 2355, 2512, 3140, 3189, 3297, 3768, 4252, 4396, 4710, 5315, 5495, 6280, 6378, 6594, 7441, 7536, 8504, 8792, 9420, 10630, 10990, 12560, 12756, 13188, 14882, 15945, 16485, 17008, 17584, 18840, 21260, 21980, 22323, 25512, 26376, 29764, 31890, 32970, 37205, 37680, 42520, 43960, 44646, 51024, 52752, 59528, 63780, 65940, 74410, 85040, 87920, 89292, 111615, 119056, 127560, 131880, 148820, 166891, 178584, 223230, 255120, 263760, 297640, 333782, 357168, 446460, 500673, 595280, 667564, 834455, 892920, 1001346, 1168237, 1335128, 1668910, 1785840, 2002692, 2336474, 2503365, 2670256, 3337820, 3504711, 4005384, 4672948, 5006730, 5841185, 6675640, 7009422, 8010768, 9345896, 10013460, 11682370, 13351280, 14018844, 17523555, 18691792, 20026920, 23364740, 28037688, 35047110, 40053840, 46729480, 56075376, 70094220, 93458960, 140188440, 280376880]

約数ペア:

[(1, 280376880), (2, 140188440), (3, 93458960), (4, 70094220), (5, 56075376), (6, 46729480), (7, 40053840), (8, 35047110), (10, 28037688), (12, 23364740), (14, 20026920), (15, 18691792), (16, 17523555), (20, 14018844), (21, 13351280), (24, 11682370), (28, 10013460), (30, 9345896), (35, 8010768), (40, 7009422), (42, 6675640), (48, 5841185), (56, 5006730), (60, 4672948), (70, 4005384), (80, 3504711), (84, 3337820), (105, 2670256), (112, 2503365), (120, 2336474), (140, 2002692), (157, 1785840), (168, 1668910), (210, 1335128), (240, 1168237), (280, 1001346), (314, 892920), (336, 834455), (420, 667564), (471, 595280), (560, 500673), (628, 446460), (785, 357168), (840, 333782), (942, 297640), (1063, 263760), (1099, 255120), (1256, 223230), (1570, 178584), (1680, 166891), (1884, 148820), (2126, 131880), (2198, 127560), (2355, 119056), (2512, 111615), (3140, 89292), (3189, 87920), (3297, 85040), (3768, 74410), (4252, 65940), (4396, 63780), (4710, 59528), (5315, 52752), (5495, 51024), (6280, 44646), (6378, 43960), (6594, 42520), (7441, 37680), (7536, 37205), (8504, 32970), (8792, 31890), (9420, 29764), (10630, 26376), (10990, 25512), (12560, 22323), (12756, 21980), (13188, 21260), (14882, 18840), (15945, 17584), (16485, 17008)]