128650480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 120

約数和(自身を含む): 357753888

約数和(自身を除く): 229103408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 887, 980, 1036, 1295, 1480, 1774, 1813, 1960, 2072, 2590, 2960, 3548, 3626, 3920, 4144, 4435, 5180, 6209, 7096, 7252, 8870, 9065, 10360, 12418, 14192, 14504, 17740, 18130, 20720, 24836, 29008, 31045, 32819, 35480, 36260, 43463, 49672, 62090, 65638, 70960, 72520, 86926, 99344, 124180, 131276, 145040, 164095, 173852, 217315, 229733, 248360, 262552, 328190, 347704, 434630, 459466, 496720, 525104, 656380, 695408, 869260, 918932, 1148665, 1312760, 1608131, 1738520, 1837864, 2297330, 2625520, 3216262, 3477040, 3675728, 4594660, 6432524, 8040655, 9189320, 12865048, 16081310, 18378640, 25730096, 32162620, 64325240, 128650480]

約数ペア:

[(1, 128650480), (2, 64325240), (4, 32162620), (5, 25730096), (7, 18378640), (8, 16081310), (10, 12865048), (14, 9189320), (16, 8040655), (20, 6432524), (28, 4594660), (35, 3675728), (37, 3477040), (40, 3216262), (49, 2625520), (56, 2297330), (70, 1837864), (74, 1738520), (80, 1608131), (98, 1312760), (112, 1148665), (140, 918932), (148, 869260), (185, 695408), (196, 656380), (245, 525104), (259, 496720), (280, 459466), (296, 434630), (370, 347704), (392, 328190), (490, 262552), (518, 248360), (560, 229733), (592, 217315), (740, 173852), (784, 164095), (887, 145040), (980, 131276), (1036, 124180), (1295, 99344), (1480, 86926), (1774, 72520), (1813, 70960), (1960, 65638), (2072, 62090), (2590, 49672), (2960, 43463), (3548, 36260), (3626, 35480), (3920, 32819), (4144, 31045), (4435, 29008), (5180, 24836), (6209, 20720), (7096, 18130), (7252, 17740), (8870, 14504), (9065, 14192), (10360, 12418)]