72319160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 167533920

約数和(自身を除く): 95214760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 107, 122, 214, 244, 277, 305, 428, 488, 535, 554, 610, 856, 1070, 1108, 1220, 1385, 2140, 2216, 2440, 2770, 4280, 5540, 6527, 11080, 13054, 16897, 26108, 29639, 32635, 33794, 52216, 59278, 65270, 67588, 84485, 118556, 130540, 135176, 148195, 168970, 237112, 261080, 296390, 337940, 592780, 675880, 1185560, 1807979, 3615958, 7231916, 9039895, 14463832, 18079790, 36159580, 72319160]

約数ペア:

[(1, 72319160), (2, 36159580), (4, 18079790), (5, 14463832), (8, 9039895), (10, 7231916), (20, 3615958), (40, 1807979), (61, 1185560), (107, 675880), (122, 592780), (214, 337940), (244, 296390), (277, 261080), (305, 237112), (428, 168970), (488, 148195), (535, 135176), (554, 130540), (610, 118556), (856, 84485), (1070, 67588), (1108, 65270), (1220, 59278), (1385, 52216), (2140, 33794), (2216, 32635), (2440, 29639), (2770, 26108), (4280, 16897), (5540, 13054), (6527, 11080)]