65424880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 168444576

約数和(自身を除く): 103019696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 37, 40, 46, 62, 74, 80, 92, 115, 124, 148, 155, 184, 185, 230, 248, 296, 310, 368, 370, 460, 496, 592, 620, 713, 740, 851, 920, 961, 1147, 1240, 1426, 1480, 1702, 1840, 1922, 2294, 2480, 2852, 2960, 3404, 3565, 3844, 4255, 4588, 4805, 5704, 5735, 6808, 7130, 7688, 8510, 9176, 9610, 11408, 11470, 13616, 14260, 15376, 17020, 18352, 19220, 22103, 22940, 26381, 28520, 34040, 35557, 38440, 44206, 45880, 52762, 57040, 68080, 71114, 76880, 88412, 91760, 105524, 110515, 131905, 142228, 176824, 177785, 211048, 221030, 263810, 284456, 353648, 355570, 422096, 442060, 527620, 568912, 711140, 817811, 884120, 1055240, 1422280, 1635622, 1768240, 2110480, 2844560, 3271244, 4089055, 6542488, 8178110, 13084976, 16356220, 32712440, 65424880]

約数ペア:

[(1, 65424880), (2, 32712440), (4, 16356220), (5, 13084976), (8, 8178110), (10, 6542488), (16, 4089055), (20, 3271244), (23, 2844560), (31, 2110480), (37, 1768240), (40, 1635622), (46, 1422280), (62, 1055240), (74, 884120), (80, 817811), (92, 711140), (115, 568912), (124, 527620), (148, 442060), (155, 422096), (184, 355570), (185, 353648), (230, 284456), (248, 263810), (296, 221030), (310, 211048), (368, 177785), (370, 176824), (460, 142228), (496, 131905), (592, 110515), (620, 105524), (713, 91760), (740, 88412), (851, 76880), (920, 71114), (961, 68080), (1147, 57040), (1240, 52762), (1426, 45880), (1480, 44206), (1702, 38440), (1840, 35557), (1922, 34040), (2294, 28520), (2480, 26381), (2852, 22940), (2960, 22103), (3404, 19220), (3565, 18352), (3844, 17020), (4255, 15376), (4588, 14260), (4805, 13616), (5704, 11470), (5735, 11408), (6808, 9610), (7130, 9176), (7688, 8510)]