2461480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 6480000

約数和(自身を除く): 4018520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 149, 236, 280, 295, 298, 413, 472, 590, 596, 745, 826, 1043, 1180, 1192, 1490, 1652, 2065, 2086, 2360, 2980, 3304, 4130, 4172, 5215, 5960, 8260, 8344, 8791, 10430, 16520, 17582, 20860, 35164, 41720, 43955, 61537, 70328, 87910, 123074, 175820, 246148, 307685, 351640, 492296, 615370, 1230740, 2461480]

約数ペア:

[(1, 2461480), (2, 1230740), (4, 615370), (5, 492296), (7, 351640), (8, 307685), (10, 246148), (14, 175820), (20, 123074), (28, 87910), (35, 70328), (40, 61537), (56, 43955), (59, 41720), (70, 35164), (118, 20860), (140, 17582), (149, 16520), (236, 10430), (280, 8791), (295, 8344), (298, 8260), (413, 5960), (472, 5215), (590, 4172), (596, 4130), (745, 3304), (826, 2980), (1043, 2360), (1180, 2086), (1192, 2065), (1490, 1652)]