15558870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 39004416

約数和(自身を除く): 23445546

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 107, 111, 131, 185, 214, 222, 262, 321, 370, 393, 535, 555, 642, 655, 786, 1070, 1110, 1310, 1605, 1965, 3210, 3930, 3959, 4847, 7918, 9694, 11877, 14017, 14541, 19795, 23754, 24235, 28034, 29082, 39590, 42051, 48470, 59385, 70085, 72705, 84102, 118770, 140170, 145410, 210255, 420510, 518629, 1037258, 1555887, 2593145, 3111774, 5186290, 7779435, 15558870]

約数ペア:

[(1, 15558870), (2, 7779435), (3, 5186290), (5, 3111774), (6, 2593145), (10, 1555887), (15, 1037258), (30, 518629), (37, 420510), (74, 210255), (107, 145410), (111, 140170), (131, 118770), (185, 84102), (214, 72705), (222, 70085), (262, 59385), (321, 48470), (370, 42051), (393, 39590), (535, 29082), (555, 28034), (642, 24235), (655, 23754), (786, 19795), (1070, 14541), (1110, 14017), (1310, 11877), (1605, 9694), (1965, 7918), (3210, 4847), (3930, 3959)]