68725760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 88

約数和(自身を含む): 170572416

約数和(自身を除く): 101846656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 433, 496, 512, 620, 640, 866, 992, 1024, 1240, 1280, 1732, 1984, 2165, 2480, 2560, 3464, 3968, 4330, 4960, 5120, 6928, 7936, 8660, 9920, 13423, 13856, 15872, 17320, 19840, 26846, 27712, 31744, 34640, 39680, 53692, 55424, 67115, 69280, 79360, 107384, 110848, 134230, 138560, 158720, 214768, 221696, 268460, 277120, 429536, 443392, 536920, 554240, 859072, 1073840, 1108480, 1718144, 2147680, 2216960, 3436288, 4295360, 6872576, 8590720, 13745152, 17181440, 34362880, 68725760]

約数ペア:

[(1, 68725760), (2, 34362880), (4, 17181440), (5, 13745152), (8, 8590720), (10, 6872576), (16, 4295360), (20, 3436288), (31, 2216960), (32, 2147680), (40, 1718144), (62, 1108480), (64, 1073840), (80, 859072), (124, 554240), (128, 536920), (155, 443392), (160, 429536), (248, 277120), (256, 268460), (310, 221696), (320, 214768), (433, 158720), (496, 138560), (512, 134230), (620, 110848), (640, 107384), (866, 79360), (992, 69280), (1024, 67115), (1240, 55424), (1280, 53692), (1732, 39680), (1984, 34640), (2165, 31744), (2480, 27712), (2560, 26846), (3464, 19840), (3968, 17320), (4330, 15872), (4960, 13856), (5120, 13423), (6928, 9920), (7936, 8660)]