668211200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 1714265280

約数和(自身を除く): 1046054080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 421, 496, 512, 620, 640, 775, 800, 842, 992, 1024, 1240, 1280, 1550, 1600, 1684, 1984, 2048, 2105, 2480, 2560, 3100, 3200, 3368, 3968, 4210, 4960, 5120, 6200, 6400, 6736, 7936, 8420, 9920, 10240, 10525, 12400, 12800, 13051, 13472, 15872, 16840, 19840, 21050, 24800, 25600, 26102, 26944, 31744, 33680, 39680, 42100, 49600, 51200, 52204, 53888, 63488, 65255, 67360, 79360, 84200, 99200, 104408, 107776, 130510, 134720, 158720, 168400, 198400, 208816, 215552, 261020, 269440, 317440, 326275, 336800, 396800, 417632, 431104, 522040, 538880, 652550, 673600, 793600, 835264, 862208, 1044080, 1077760, 1305100, 1347200, 1587200, 1670528, 2088160, 2155520, 2610200, 2694400, 3341056, 4176320, 4311040, 5220400, 5388800, 6682112, 8352640, 10440800, 10777600, 13364224, 16705280, 20881600, 21555200, 26728448, 33410560, 41763200, 66821120, 83526400, 133642240, 167052800, 334105600, 668211200]

約数ペア:

[(1, 668211200), (2, 334105600), (4, 167052800), (5, 133642240), (8, 83526400), (10, 66821120), (16, 41763200), (20, 33410560), (25, 26728448), (31, 21555200), (32, 20881600), (40, 16705280), (50, 13364224), (62, 10777600), (64, 10440800), (80, 8352640), (100, 6682112), (124, 5388800), (128, 5220400), (155, 4311040), (160, 4176320), (200, 3341056), (248, 2694400), (256, 2610200), (310, 2155520), (320, 2088160), (400, 1670528), (421, 1587200), (496, 1347200), (512, 1305100), (620, 1077760), (640, 1044080), (775, 862208), (800, 835264), (842, 793600), (992, 673600), (1024, 652550), (1240, 538880), (1280, 522040), (1550, 431104), (1600, 417632), (1684, 396800), (1984, 336800), (2048, 326275), (2105, 317440), (2480, 269440), (2560, 261020), (3100, 215552), (3200, 208816), (3368, 198400), (3968, 168400), (4210, 158720), (4960, 134720), (5120, 130510), (6200, 107776), (6400, 104408), (6736, 99200), (7936, 84200), (8420, 79360), (9920, 67360), (10240, 65255), (10525, 63488), (12400, 53888), (12800, 52204), (13051, 51200), (13472, 49600), (15872, 42100), (16840, 39680), (19840, 33680), (21050, 31744), (24800, 26944), (25600, 26102)]