156716780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 373591680

約数和(自身を除く): 216874900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2089, 2420, 3410, 3751, 4178, 6820, 7502, 8356, 10445, 15004, 18755, 20890, 22979, 37510, 41780, 45958, 64759, 75020, 91916, 114895, 129518, 229790, 252769, 259036, 323795, 459580, 505538, 647590, 712349, 1011076, 1263845, 1295180, 1424698, 2527690, 2849396, 3561745, 5055380, 7123490, 7835839, 14246980, 15671678, 31343356, 39179195, 78358390, 156716780]

約数ペア:

[(1, 156716780), (2, 78358390), (4, 39179195), (5, 31343356), (10, 15671678), (11, 14246980), (20, 7835839), (22, 7123490), (31, 5055380), (44, 3561745), (55, 2849396), (62, 2527690), (110, 1424698), (121, 1295180), (124, 1263845), (155, 1011076), (220, 712349), (242, 647590), (310, 505538), (341, 459580), (484, 323795), (605, 259036), (620, 252769), (682, 229790), (1210, 129518), (1364, 114895), (1705, 91916), (2089, 75020), (2420, 64759), (3410, 45958), (3751, 41780), (4178, 37510), (6820, 22979), (7502, 20890), (8356, 18755), (10445, 15004)]