156460120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64123}}^1$

素因数の和:64195

約数の個数: 32

約数和(自身を含む): 357811920

約数和(自身を除く): 201351800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 64123, 128246, 256492, 320615, 512984, 641230, 1282460, 2564920, 3911503, 7823006, 15646012, 19557515, 31292024, 39115030, 78230060, 156460120]

約数ペア:

[(1, 156460120), (2, 78230060), (4, 39115030), (5, 31292024), (8, 19557515), (10, 15646012), (20, 7823006), (40, 3911503), (61, 2564920), (122, 1282460), (244, 641230), (305, 512984), (488, 320615), (610, 256492), (1220, 128246), (2440, 64123)]