72805580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 160683264

約数和(自身を除く): 87877684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 971, 1630, 1942, 3260, 3749, 3884, 4855, 7498, 9710, 14996, 18745, 19420, 22333, 37490, 44666, 74980, 89332, 111665, 158273, 223330, 316546, 446660, 633092, 791365, 1582730, 3165460, 3640279, 7280558, 14561116, 18201395, 36402790, 72805580]

約数ペア:

[(1, 72805580), (2, 36402790), (4, 18201395), (5, 14561116), (10, 7280558), (20, 3640279), (23, 3165460), (46, 1582730), (92, 791365), (115, 633092), (163, 446660), (230, 316546), (326, 223330), (460, 158273), (652, 111665), (815, 89332), (971, 74980), (1630, 44666), (1942, 37490), (3260, 22333), (3749, 19420), (3884, 18745), (4855, 14996), (7498, 9710)]