72558220

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1511}}^1$

素因数の和:1548

約数の個数: 60

約数和(自身を含む): 177874704

約数和(自身を除く): 105316484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1511, 1715, 2401, 3022, 3430, 4802, 6044, 6860, 7555, 9604, 10577, 12005, 15110, 21154, 24010, 30220, 42308, 48020, 52885, 74039, 105770, 148078, 211540, 296156, 370195, 518273, 740390, 1036546, 1480780, 2073092, 2591365, 3627911, 5182730, 7255822, 10365460, 14511644, 18139555, 36279110, 72558220]

約数ペア:

[(1, 72558220), (2, 36279110), (4, 18139555), (5, 14511644), (7, 10365460), (10, 7255822), (14, 5182730), (20, 3627911), (28, 2591365), (35, 2073092), (49, 1480780), (70, 1036546), (98, 740390), (140, 518273), (196, 370195), (245, 296156), (343, 211540), (490, 148078), (686, 105770), (980, 74039), (1372, 52885), (1511, 48020), (1715, 42308), (2401, 30220), (3022, 24010), (3430, 21154), (4802, 15110), (6044, 12005), (6860, 10577), (7555, 9604)]