1560020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1013}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 4088448

約数和(自身を除く): 2528428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1013, 1540, 2026, 4052, 5065, 7091, 10130, 11143, 14182, 20260, 22286, 28364, 35455, 44572, 55715, 70910, 78001, 111430, 141820, 156002, 222860, 312004, 390005, 780010, 1560020]

約数ペア:

[(1, 1560020), (2, 780010), (4, 390005), (5, 312004), (7, 222860), (10, 156002), (11, 141820), (14, 111430), (20, 78001), (22, 70910), (28, 55715), (35, 44572), (44, 35455), (55, 28364), (70, 22286), (77, 20260), (110, 14182), (140, 11143), (154, 10130), (220, 7091), (308, 5065), (385, 4052), (770, 2026), (1013, 1540)]