12917960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 34042680

約数和(自身を除く): 21124720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 157, 170, 187, 220, 242, 314, 340, 374, 440, 484, 605, 628, 680, 748, 785, 935, 968, 1210, 1256, 1496, 1570, 1727, 1870, 2057, 2420, 2669, 3140, 3454, 3740, 4114, 4840, 5338, 6280, 6908, 7480, 8228, 8635, 10285, 10676, 13345, 13816, 16456, 17270, 18997, 20570, 21352, 26690, 29359, 34540, 37994, 41140, 53380, 58718, 69080, 75988, 82280, 94985, 106760, 117436, 146795, 151976, 189970, 234872, 293590, 322949, 379940, 587180, 645898, 759880, 1174360, 1291796, 1614745, 2583592, 3229490, 6458980, 12917960]

約数ペア:

[(1, 12917960), (2, 6458980), (4, 3229490), (5, 2583592), (8, 1614745), (10, 1291796), (11, 1174360), (17, 759880), (20, 645898), (22, 587180), (34, 379940), (40, 322949), (44, 293590), (55, 234872), (68, 189970), (85, 151976), (88, 146795), (110, 117436), (121, 106760), (136, 94985), (157, 82280), (170, 75988), (187, 69080), (220, 58718), (242, 53380), (314, 41140), (340, 37994), (374, 34540), (440, 29359), (484, 26690), (605, 21352), (628, 20570), (680, 18997), (748, 17270), (785, 16456), (935, 13816), (968, 13345), (1210, 10676), (1256, 10285), (1496, 8635), (1570, 8228), (1727, 7480), (1870, 6908), (2057, 6280), (2420, 5338), (2669, 4840), (3140, 4114), (3454, 3740)]