1649427040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{35671}}^1$

素因数の和:35720

約数の個数: 72

約数和(自身を含む): 4139592912

約数和(自身を除く): 2490165872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2720, 2890, 4624, 5780, 9248, 11560, 23120, 35671, 46240, 71342, 142684, 178355, 285368, 356710, 570736, 606407, 713420, 1141472, 1212814, 1426840, 2425628, 2853680, 3032035, 4851256, 5707360, 6064070, 9702512, 10308919, 12128140, 19405024, 20617838, 24256280, 41235676, 48512560, 51544595, 82471352, 97025120, 103089190, 164942704, 206178380, 329885408, 412356760, 824713520, 1649427040]

約数ペア:

[(1, 1649427040), (2, 824713520), (4, 412356760), (5, 329885408), (8, 206178380), (10, 164942704), (16, 103089190), (17, 97025120), (20, 82471352), (32, 51544595), (34, 48512560), (40, 41235676), (68, 24256280), (80, 20617838), (85, 19405024), (136, 12128140), (160, 10308919), (170, 9702512), (272, 6064070), (289, 5707360), (340, 4851256), (544, 3032035), (578, 2853680), (680, 2425628), (1156, 1426840), (1360, 1212814), (1445, 1141472), (2312, 713420), (2720, 606407), (2890, 570736), (4624, 356710), (5780, 285368), (9248, 178355), (11560, 142684), (23120, 71342), (35671, 46240)]