153721520

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3413}}^1$

素因数の和:3989

約数の個数: 40

約数和(自身を含む): 358142256

約数和(自身を除く): 204420736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 3413, 4504, 5630, 6826, 9008, 11260, 13652, 17065, 22520, 27304, 34130, 45040, 54608, 68260, 136520, 273040, 1921519, 3843038, 7686076, 9607595, 15372152, 19215190, 30744304, 38430380, 76860760, 153721520]

約数ペア:

[(1, 153721520), (2, 76860760), (4, 38430380), (5, 30744304), (8, 19215190), (10, 15372152), (16, 9607595), (20, 7686076), (40, 3843038), (80, 1921519), (563, 273040), (1126, 136520), (2252, 68260), (2815, 54608), (3413, 45040), (4504, 34130), (5630, 27304), (6826, 22520), (9008, 17065), (11260, 13652)]