77745280

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 186929280

約数和(自身を除く): 109184000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 367, 640, 662, 734, 1324, 1468, 1655, 1835, 2648, 2936, 3310, 3670, 5296, 5872, 6620, 7340, 10592, 11744, 13240, 14680, 21184, 23488, 26480, 29360, 42368, 46976, 52960, 58720, 105920, 117440, 121477, 211840, 234880, 242954, 485908, 607385, 971816, 1214770, 1943632, 2429540, 3887264, 4859080, 7774528, 9718160, 15549056, 19436320, 38872640, 77745280]

約数ペア:

[(1, 77745280), (2, 38872640), (4, 19436320), (5, 15549056), (8, 9718160), (10, 7774528), (16, 4859080), (20, 3887264), (32, 2429540), (40, 1943632), (64, 1214770), (80, 971816), (128, 607385), (160, 485908), (320, 242954), (331, 234880), (367, 211840), (640, 121477), (662, 117440), (734, 105920), (1324, 58720), (1468, 52960), (1655, 46976), (1835, 42368), (2648, 29360), (2936, 26480), (3310, 23488), (3670, 21184), (5296, 14680), (5872, 13240), (6620, 11744), (7340, 10592)]