65439220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3863}}^1$

素因数の和:3901

約数の個数: 72

約数和(自身を含む): 172674432

約数和(自身を除く): 107235212

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 3863, 4235, 7726, 8470, 15452, 16940, 19315, 27041, 38630, 42493, 54082, 77260, 84986, 108164, 135205, 169972, 212465, 270410, 297451, 424930, 467423, 540820, 594902, 849860, 934846, 1189804, 1487255, 1869692, 2337115, 2974510, 3271961, 4674230, 5949020, 6543922, 9348460, 13087844, 16359805, 32719610, 65439220]

約数ペア:

[(1, 65439220), (2, 32719610), (4, 16359805), (5, 13087844), (7, 9348460), (10, 6543922), (11, 5949020), (14, 4674230), (20, 3271961), (22, 2974510), (28, 2337115), (35, 1869692), (44, 1487255), (55, 1189804), (70, 934846), (77, 849860), (110, 594902), (121, 540820), (140, 467423), (154, 424930), (220, 297451), (242, 270410), (308, 212465), (385, 169972), (484, 135205), (605, 108164), (770, 84986), (847, 77260), (1210, 54082), (1540, 42493), (1694, 38630), (2420, 27041), (3388, 19315), (3863, 16940), (4235, 15452), (7726, 8470)]