15759380

素因数分解:

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

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 41492808

約数和(自身を除く): 25733428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1237, 1274, 1820, 2474, 2548, 3185, 4948, 6185, 6370, 8659, 12370, 12740, 16081, 17318, 24740, 32162, 34636, 43295, 60613, 64324, 80405, 86590, 112567, 121226, 160810, 173180, 225134, 242452, 303065, 321620, 450268, 562835, 606130, 787969, 1125670, 1212260, 1575938, 2251340, 3151876, 3939845, 7879690, 15759380]

約数ペア:

[(1, 15759380), (2, 7879690), (4, 3939845), (5, 3151876), (7, 2251340), (10, 1575938), (13, 1212260), (14, 1125670), (20, 787969), (26, 606130), (28, 562835), (35, 450268), (49, 321620), (52, 303065), (65, 242452), (70, 225134), (91, 173180), (98, 160810), (130, 121226), (140, 112567), (182, 86590), (196, 80405), (245, 64324), (260, 60613), (364, 43295), (455, 34636), (490, 32162), (637, 24740), (910, 17318), (980, 16081), (1237, 12740), (1274, 12370), (1820, 8659), (2474, 6370), (2548, 6185), (3185, 4948)]