1569000520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20743}}^1$

素因数の和:20846

約数の個数: 64

約数和(自身を含む): 3704048640

約数和(自身を除く): 2135048120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 9455, 15128, 18910, 20743, 37820, 41486, 75640, 82972, 103715, 165944, 207430, 414860, 643033, 829720, 1265323, 1286066, 2530646, 2572132, 3215165, 5061292, 5144264, 6326615, 6430330, 10122584, 12653230, 12860660, 25306460, 25721320, 39225013, 50612920, 78450026, 156900052, 196125065, 313800104, 392250130, 784500260, 1569000520]

約数ペア:

[(1, 1569000520), (2, 784500260), (4, 392250130), (5, 313800104), (8, 196125065), (10, 156900052), (20, 78450026), (31, 50612920), (40, 39225013), (61, 25721320), (62, 25306460), (122, 12860660), (124, 12653230), (155, 10122584), (244, 6430330), (248, 6326615), (305, 5144264), (310, 5061292), (488, 3215165), (610, 2572132), (620, 2530646), (1220, 1286066), (1240, 1265323), (1891, 829720), (2440, 643033), (3782, 414860), (7564, 207430), (9455, 165944), (15128, 103715), (18910, 82972), (20743, 75640), (37820, 41486)]