65630720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 80

約数和(自身を含む): 162632448

約数和(自身を除く): 97001728

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, 496, 512, 620, 640, 827, 992, 1240, 1280, 1654, 1984, 2480, 2560, 3308, 3968, 4135, 4960, 6616, 7936, 8270, 9920, 13232, 15872, 16540, 19840, 25637, 26464, 33080, 39680, 51274, 52928, 66160, 79360, 102548, 105856, 128185, 132320, 205096, 211712, 256370, 264640, 410192, 423424, 512740, 529280, 820384, 1025480, 1058560, 1640768, 2050960, 2117120, 3281536, 4101920, 6563072, 8203840, 13126144, 16407680, 32815360, 65630720]

約数ペア:

[(1, 65630720), (2, 32815360), (4, 16407680), (5, 13126144), (8, 8203840), (10, 6563072), (16, 4101920), (20, 3281536), (31, 2117120), (32, 2050960), (40, 1640768), (62, 1058560), (64, 1025480), (80, 820384), (124, 529280), (128, 512740), (155, 423424), (160, 410192), (248, 264640), (256, 256370), (310, 211712), (320, 205096), (496, 132320), (512, 128185), (620, 105856), (640, 102548), (827, 79360), (992, 66160), (1240, 52928), (1280, 51274), (1654, 39680), (1984, 33080), (2480, 26464), (2560, 25637), (3308, 19840), (3968, 16540), (4135, 15872), (4960, 13232), (6616, 9920), (7936, 8270)]