1285497720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274679}}^1$

素因数の和:274709

約数の個数: 96

約数和(自身を含む): 4499258400

約数和(自身を除く): 3213760680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 274679, 549358, 824037, 1098716, 1373395, 1648074, 2197432, 2472111, 2746790, 3296148, 3570827, 4120185, 4944222, 5493580, 6592296, 7141654, 8240370, 9888444, 10712481, 10987160, 12360555, 14283308, 16480740, 17854135, 19776888, 21424962, 24721110, 28566616, 32137443, 32961480, 35708270, 42849924, 49442220, 53562405, 64274886, 71416540, 85699848, 98884440, 107124810, 128549772, 142833080, 160687215, 214249620, 257099544, 321374430, 428499240, 642748860, 1285497720]

約数ペア:

[(1, 1285497720), (2, 642748860), (3, 428499240), (4, 321374430), (5, 257099544), (6, 214249620), (8, 160687215), (9, 142833080), (10, 128549772), (12, 107124810), (13, 98884440), (15, 85699848), (18, 71416540), (20, 64274886), (24, 53562405), (26, 49442220), (30, 42849924), (36, 35708270), (39, 32961480), (40, 32137443), (45, 28566616), (52, 24721110), (60, 21424962), (65, 19776888), (72, 17854135), (78, 16480740), (90, 14283308), (104, 12360555), (117, 10987160), (120, 10712481), (130, 9888444), (156, 8240370), (180, 7141654), (195, 6592296), (234, 5493580), (260, 4944222), (312, 4120185), (360, 3570827), (390, 3296148), (468, 2746790), (520, 2472111), (585, 2197432), (780, 1648074), (936, 1373395), (1170, 1098716), (1560, 824037), (2340, 549358), (4680, 274679)]