1317899840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{242261}}^1$

素因数の和:242295

約数の個数: 56

約数和(自身を含む): 3322865592

約数和(自身を除く): 2004965752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 242261, 484522, 969044, 1211305, 1938088, 2422610, 3876176, 4118437, 4845220, 7752352, 8236874, 9690440, 15504704, 16473748, 19380880, 20592185, 32947496, 38761760, 41184370, 65894992, 77523520, 82368740, 131789984, 164737480, 263579968, 329474960, 658949920, 1317899840]

約数ペア:

[(1, 1317899840), (2, 658949920), (4, 329474960), (5, 263579968), (8, 164737480), (10, 131789984), (16, 82368740), (17, 77523520), (20, 65894992), (32, 41184370), (34, 38761760), (40, 32947496), (64, 20592185), (68, 19380880), (80, 16473748), (85, 15504704), (136, 9690440), (160, 8236874), (170, 7752352), (272, 4845220), (320, 4118437), (340, 3876176), (544, 2422610), (680, 1938088), (1088, 1211305), (1360, 969044), (2720, 484522), (5440, 242261)]