31518760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 88913160

約数和(自身を除く): 57394400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1237, 1274, 1820, 1960, 2474, 2548, 3185, 3640, 4948, 5096, 6185, 6370, 8659, 9896, 12370, 12740, 16081, 17318, 24740, 25480, 32162, 34636, 43295, 49480, 60613, 64324, 69272, 80405, 86590, 112567, 121226, 128648, 160810, 173180, 225134, 242452, 303065, 321620, 346360, 450268, 484904, 562835, 606130, 643240, 787969, 900536, 1125670, 1212260, 1575938, 2251340, 2424520, 3151876, 3939845, 4502680, 6303752, 7879690, 15759380, 31518760]

約数ペア:

[(1, 31518760), (2, 15759380), (4, 7879690), (5, 6303752), (7, 4502680), (8, 3939845), (10, 3151876), (13, 2424520), (14, 2251340), (20, 1575938), (26, 1212260), (28, 1125670), (35, 900536), (40, 787969), (49, 643240), (52, 606130), (56, 562835), (65, 484904), (70, 450268), (91, 346360), (98, 321620), (104, 303065), (130, 242452), (140, 225134), (182, 173180), (196, 160810), (245, 128648), (260, 121226), (280, 112567), (364, 86590), (392, 80405), (455, 69272), (490, 64324), (520, 60613), (637, 49480), (728, 43295), (910, 34636), (980, 32162), (1237, 25480), (1274, 24740), (1820, 17318), (1960, 16081), (2474, 12740), (2548, 12370), (3185, 9896), (3640, 8659), (4948, 6370), (5096, 6185)]