65480220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28011

約数の個数: 72

約数和(自身を含む): 213909696

約数和(自身を除く): 148429476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 27983, 55966, 83949, 111932, 139915, 167898, 251847, 279830, 335796, 363779, 419745, 503694, 559660, 727558, 839490, 1007388, 1091337, 1259235, 1455116, 1678980, 1818895, 2182674, 2518470, 3274011, 3637790, 4365348, 5036940, 5456685, 6548022, 7275580, 10913370, 13096044, 16370055, 21826740, 32740110, 65480220]

約数ペア:

[(1, 65480220), (2, 32740110), (3, 21826740), (4, 16370055), (5, 13096044), (6, 10913370), (9, 7275580), (10, 6548022), (12, 5456685), (13, 5036940), (15, 4365348), (18, 3637790), (20, 3274011), (26, 2518470), (30, 2182674), (36, 1818895), (39, 1678980), (45, 1455116), (52, 1259235), (60, 1091337), (65, 1007388), (78, 839490), (90, 727558), (117, 559660), (130, 503694), (156, 419745), (180, 363779), (195, 335796), (234, 279830), (260, 251847), (390, 167898), (468, 139915), (585, 111932), (780, 83949), (1170, 55966), (2340, 27983)]