66512640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17321}}^1$

素因数の和:17345

約数の個数: 72

約数和(自身を含む): 212437008

約数和(自身を除く): 145924368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 17321, 34642, 51963, 69284, 86605, 103926, 138568, 173210, 207852, 259815, 277136, 346420, 415704, 519630, 554272, 692840, 831408, 1039260, 1108544, 1385680, 1662816, 2078520, 2217088, 2771360, 3325632, 4157040, 4434176, 5542720, 6651264, 8314080, 11085440, 13302528, 16628160, 22170880, 33256320, 66512640]

約数ペア:

[(1, 66512640), (2, 33256320), (3, 22170880), (4, 16628160), (5, 13302528), (6, 11085440), (8, 8314080), (10, 6651264), (12, 5542720), (15, 4434176), (16, 4157040), (20, 3325632), (24, 2771360), (30, 2217088), (32, 2078520), (40, 1662816), (48, 1385680), (60, 1108544), (64, 1039260), (80, 831408), (96, 692840), (120, 554272), (128, 519630), (160, 415704), (192, 346420), (240, 277136), (256, 259815), (320, 207852), (384, 173210), (480, 138568), (640, 103926), (768, 86605), (960, 69284), (1280, 51963), (1920, 34642), (3840, 17321)]