30778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45263}}^1$

素因数の和:45291

約数の個数: 32

約数和(自身を含む): 73327680

約数和(自身を除く): 42548840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 45263, 90526, 181052, 226315, 362104, 452630, 769471, 905260, 1538942, 1810520, 3077884, 3847355, 6155768, 7694710, 15389420, 30778840]

約数ペア:

[(1, 30778840), (2, 15389420), (4, 7694710), (5, 6155768), (8, 3847355), (10, 3077884), (17, 1810520), (20, 1538942), (34, 905260), (40, 769471), (68, 452630), (85, 362104), (136, 226315), (170, 181052), (340, 90526), (680, 45263)]