716720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 60

約数和(自身を含む): 1827264

約数和(自身を除く): 1110544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 289, 310, 340, 496, 527, 578, 620, 680, 1054, 1156, 1240, 1360, 1445, 2108, 2312, 2480, 2635, 2890, 4216, 4624, 5270, 5780, 8432, 8959, 10540, 11560, 17918, 21080, 23120, 35836, 42160, 44795, 71672, 89590, 143344, 179180, 358360, 716720]

約数ペア:

[(1, 716720), (2, 358360), (4, 179180), (5, 143344), (8, 89590), (10, 71672), (16, 44795), (17, 42160), (20, 35836), (31, 23120), (34, 21080), (40, 17918), (62, 11560), (68, 10540), (80, 8959), (85, 8432), (124, 5780), (136, 5270), (155, 4624), (170, 4216), (248, 2890), (272, 2635), (289, 2480), (310, 2312), (340, 2108), (496, 1445), (527, 1360), (578, 1240), (620, 1156), (680, 1054)]