30717160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12589}}^1$

素因数の和:12661

約数の個数: 32

約数和(自身を含む): 70252200

約数和(自身を除く): 39535040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12589, 25178, 50356, 62945, 100712, 125890, 251780, 503560, 767929, 1535858, 3071716, 3839645, 6143432, 7679290, 15358580, 30717160]

約数ペア:

[(1, 30717160), (2, 15358580), (4, 7679290), (5, 6143432), (8, 3839645), (10, 3071716), (20, 1535858), (40, 767929), (61, 503560), (122, 251780), (244, 125890), (305, 100712), (488, 62945), (610, 50356), (1220, 25178), (2440, 12589)]