64976640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{16921}}^1$

素因数の和:16945

約数の個数: 72

約数和(自身を含む): 207531408

約数和(自身を除く): 142554768

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, 16921, 33842, 50763, 67684, 84605, 101526, 135368, 169210, 203052, 253815, 270736, 338420, 406104, 507630, 541472, 676840, 812208, 1015260, 1082944, 1353680, 1624416, 2030520, 2165888, 2707360, 3248832, 4061040, 4331776, 5414720, 6497664, 8122080, 10829440, 12995328, 16244160, 21658880, 32488320, 64976640]

約数ペア:

[(1, 64976640), (2, 32488320), (3, 21658880), (4, 16244160), (5, 12995328), (6, 10829440), (8, 8122080), (10, 6497664), (12, 5414720), (15, 4331776), (16, 4061040), (20, 3248832), (24, 2707360), (30, 2165888), (32, 2030520), (40, 1624416), (48, 1353680), (60, 1082944), (64, 1015260), (80, 812208), (96, 676840), (120, 541472), (128, 507630), (160, 406104), (192, 338420), (240, 270736), (256, 253815), (320, 203052), (384, 169210), (480, 135368), (640, 101526), (768, 84605), (960, 67684), (1280, 50763), (1920, 33842), (3840, 16921)]