31053780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 100928520

約数和(自身を除く): 69874740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 661, 783, 810, 870, 1044, 1305, 1322, 1566, 1620, 1740, 1983, 2349, 2610, 2644, 3132, 3305, 3915, 3966, 4698, 5220, 5949, 6610, 7830, 7932, 9396, 9915, 11745, 11898, 13220, 15660, 17847, 19169, 19830, 23490, 23796, 29745, 35694, 38338, 39660, 46980, 53541, 57507, 59490, 71388, 76676, 89235, 95845, 107082, 115014, 118980, 172521, 178470, 191690, 214164, 230028, 267705, 287535, 345042, 356940, 383380, 517563, 535410, 575070, 690084, 862605, 1035126, 1070820, 1150140, 1552689, 1725210, 2070252, 2587815, 3105378, 3450420, 5175630, 6210756, 7763445, 10351260, 15526890, 31053780]

約数ペア:

[(1, 31053780), (2, 15526890), (3, 10351260), (4, 7763445), (5, 6210756), (6, 5175630), (9, 3450420), (10, 3105378), (12, 2587815), (15, 2070252), (18, 1725210), (20, 1552689), (27, 1150140), (29, 1070820), (30, 1035126), (36, 862605), (45, 690084), (54, 575070), (58, 535410), (60, 517563), (81, 383380), (87, 356940), (90, 345042), (108, 287535), (116, 267705), (135, 230028), (145, 214164), (162, 191690), (174, 178470), (180, 172521), (261, 118980), (270, 115014), (290, 107082), (324, 95845), (348, 89235), (405, 76676), (435, 71388), (522, 59490), (540, 57507), (580, 53541), (661, 46980), (783, 39660), (810, 38338), (870, 35694), (1044, 29745), (1305, 23796), (1322, 23490), (1566, 19830), (1620, 19169), (1740, 17847), (1983, 15660), (2349, 13220), (2610, 11898), (2644, 11745), (3132, 9915), (3305, 9396), (3915, 7932), (3966, 7830), (4698, 6610), (5220, 5949)]