1728425920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2549}}^1$

素因数の和:2742

約数の個数: 112

約数和(自身を含む): 4461357600

約数和(自身を除く): 2732931680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 163, 208, 260, 320, 326, 416, 520, 652, 815, 832, 1040, 1304, 1630, 2080, 2119, 2549, 2608, 3260, 4160, 4238, 5098, 5216, 6520, 8476, 10196, 10432, 10595, 12745, 13040, 16952, 20392, 21190, 25490, 26080, 33137, 33904, 40784, 42380, 50980, 52160, 66274, 67808, 81568, 84760, 101960, 132548, 135616, 163136, 165685, 169520, 203920, 265096, 331370, 339040, 407840, 415487, 530192, 662740, 678080, 815680, 830974, 1060384, 1325480, 1661948, 2077435, 2120768, 2650960, 3323896, 4154870, 5301920, 5401331, 6647792, 8309740, 10603840, 10802662, 13295584, 16619480, 21605324, 26591168, 27006655, 33238960, 43210648, 54013310, 66477920, 86421296, 108026620, 132955840, 172842592, 216053240, 345685184, 432106480, 864212960, 1728425920]

約数ペア:

[(1, 1728425920), (2, 864212960), (4, 432106480), (5, 345685184), (8, 216053240), (10, 172842592), (13, 132955840), (16, 108026620), (20, 86421296), (26, 66477920), (32, 54013310), (40, 43210648), (52, 33238960), (64, 27006655), (65, 26591168), (80, 21605324), (104, 16619480), (130, 13295584), (160, 10802662), (163, 10603840), (208, 8309740), (260, 6647792), (320, 5401331), (326, 5301920), (416, 4154870), (520, 3323896), (652, 2650960), (815, 2120768), (832, 2077435), (1040, 1661948), (1304, 1325480), (1630, 1060384), (2080, 830974), (2119, 815680), (2549, 678080), (2608, 662740), (3260, 530192), (4160, 415487), (4238, 407840), (5098, 339040), (5216, 331370), (6520, 265096), (8476, 203920), (10196, 169520), (10432, 165685), (10595, 163136), (12745, 135616), (13040, 132548), (16952, 101960), (20392, 84760), (21190, 81568), (25490, 67808), (26080, 66274), (33137, 52160), (33904, 50980), (40784, 42380)]