215624920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40531}}^1$

素因数の和:40568

約数の個数: 64

約数和(自身を含む): 583660800

約数和(自身を除く): 368035880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 40531, 81062, 162124, 202655, 283717, 324248, 405310, 567434, 770089, 810620, 1134868, 1418585, 1540178, 1621240, 2269736, 2837170, 3080356, 3850445, 5390623, 5674340, 6160712, 7700890, 10781246, 11348680, 15401780, 21562492, 26953115, 30803560, 43124984, 53906230, 107812460, 215624920]

約数ペア:

[(1, 215624920), (2, 107812460), (4, 53906230), (5, 43124984), (7, 30803560), (8, 26953115), (10, 21562492), (14, 15401780), (19, 11348680), (20, 10781246), (28, 7700890), (35, 6160712), (38, 5674340), (40, 5390623), (56, 3850445), (70, 3080356), (76, 2837170), (95, 2269736), (133, 1621240), (140, 1540178), (152, 1418585), (190, 1134868), (266, 810620), (280, 770089), (380, 567434), (532, 405310), (665, 324248), (760, 283717), (1064, 202655), (1330, 162124), (2660, 81062), (5320, 40531)]