30512680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 77345280

約数和(自身を除く): 46832600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2237, 2728, 3410, 4474, 6820, 8948, 11185, 13640, 17896, 22370, 24607, 44740, 49214, 69347, 89480, 98428, 123035, 138694, 196856, 246070, 277388, 346735, 492140, 554776, 693470, 762817, 984280, 1386940, 1525634, 2773880, 3051268, 3814085, 6102536, 7628170, 15256340, 30512680]

約数ペア:

[(1, 30512680), (2, 15256340), (4, 7628170), (5, 6102536), (8, 3814085), (10, 3051268), (11, 2773880), (20, 1525634), (22, 1386940), (31, 984280), (40, 762817), (44, 693470), (55, 554776), (62, 492140), (88, 346735), (110, 277388), (124, 246070), (155, 196856), (220, 138694), (248, 123035), (310, 98428), (341, 89480), (440, 69347), (620, 49214), (682, 44740), (1240, 24607), (1364, 22370), (1705, 17896), (2237, 13640), (2728, 11185), (3410, 8948), (4474, 6820)]