1520781640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{13151}}^1$

素因数の和:13235

約数の個数: 96

約数和(自身を含む): 4048185600

約数和(自身を除く): 2527403960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 590, 826, 980, 1180, 1652, 1960, 2065, 2360, 2891, 3304, 4130, 5782, 8260, 11564, 13151, 14455, 16520, 23128, 26302, 28910, 52604, 57820, 65755, 92057, 105208, 115640, 131510, 184114, 263020, 368228, 460285, 526040, 644399, 736456, 775909, 920570, 1288798, 1551818, 1841140, 2577596, 3103636, 3221995, 3682280, 3879545, 5155192, 5431363, 6207272, 6443990, 7759090, 10862726, 12887980, 15518180, 21725452, 25775960, 27156815, 31036360, 38019541, 43450904, 54313630, 76039082, 108627260, 152078164, 190097705, 217254520, 304156328, 380195410, 760390820, 1520781640]

約数ペア:

[(1, 1520781640), (2, 760390820), (4, 380195410), (5, 304156328), (7, 217254520), (8, 190097705), (10, 152078164), (14, 108627260), (20, 76039082), (28, 54313630), (35, 43450904), (40, 38019541), (49, 31036360), (56, 27156815), (59, 25775960), (70, 21725452), (98, 15518180), (118, 12887980), (140, 10862726), (196, 7759090), (236, 6443990), (245, 6207272), (280, 5431363), (295, 5155192), (392, 3879545), (413, 3682280), (472, 3221995), (490, 3103636), (590, 2577596), (826, 1841140), (980, 1551818), (1180, 1288798), (1652, 920570), (1960, 775909), (2065, 736456), (2360, 644399), (2891, 526040), (3304, 460285), (4130, 368228), (5782, 263020), (8260, 184114), (11564, 131510), (13151, 115640), (14455, 105208), (16520, 92057), (23128, 65755), (26302, 57820), (28910, 52604)]