1289907560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{13331}}^1$

素因数の和:13442

約数の個数: 64

約数和(自身を含む): 3023697600

約数和(自身を除く): 1733790040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 820, 1180, 1640, 2360, 2419, 4838, 9676, 12095, 13331, 19352, 24190, 26662, 48380, 53324, 66655, 96760, 106648, 133310, 266620, 533240, 546571, 786529, 1093142, 1573058, 2186284, 2732855, 3146116, 3932645, 4372568, 5465710, 6292232, 7865290, 10931420, 15730580, 21862840, 31461160, 32247689, 64495378, 128990756, 161238445, 257981512, 322476890, 644953780, 1289907560]

約数ペア:

[(1, 1289907560), (2, 644953780), (4, 322476890), (5, 257981512), (8, 161238445), (10, 128990756), (20, 64495378), (40, 32247689), (41, 31461160), (59, 21862840), (82, 15730580), (118, 10931420), (164, 7865290), (205, 6292232), (236, 5465710), (295, 4372568), (328, 3932645), (410, 3146116), (472, 2732855), (590, 2186284), (820, 1573058), (1180, 1093142), (1640, 786529), (2360, 546571), (2419, 533240), (4838, 266620), (9676, 133310), (12095, 106648), (13331, 96760), (19352, 66655), (24190, 53324), (26662, 48380)]