145127120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 351644160

約数和(自身を除く): 206517040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 421, 496, 556, 620, 695, 842, 1112, 1240, 1390, 1684, 2105, 2224, 2480, 2780, 3368, 4210, 4309, 5560, 6736, 8420, 8618, 11120, 13051, 16840, 17236, 21545, 26102, 33680, 34472, 43090, 52204, 58519, 65255, 68944, 86180, 104408, 117038, 130510, 172360, 208816, 234076, 261020, 292595, 344720, 468152, 522040, 585190, 936304, 1044080, 1170380, 1814089, 2340760, 3628178, 4681520, 7256356, 9070445, 14512712, 18140890, 29025424, 36281780, 72563560, 145127120]

約数ペア:

[(1, 145127120), (2, 72563560), (4, 36281780), (5, 29025424), (8, 18140890), (10, 14512712), (16, 9070445), (20, 7256356), (31, 4681520), (40, 3628178), (62, 2340760), (80, 1814089), (124, 1170380), (139, 1044080), (155, 936304), (248, 585190), (278, 522040), (310, 468152), (421, 344720), (496, 292595), (556, 261020), (620, 234076), (695, 208816), (842, 172360), (1112, 130510), (1240, 117038), (1390, 104408), (1684, 86180), (2105, 68944), (2224, 65255), (2480, 58519), (2780, 52204), (3368, 43090), (4210, 34472), (4309, 33680), (5560, 26102), (6736, 21545), (8420, 17236), (8618, 16840), (11120, 13051)]