40168320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{20921}}^1$

素因数の和:20943

約数の個数: 64

約数和(自身を含む): 128042640

約数和(自身を除く): 87874320

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, 320, 384, 480, 640, 960, 1920, 20921, 41842, 62763, 83684, 104605, 125526, 167368, 209210, 251052, 313815, 334736, 418420, 502104, 627630, 669472, 836840, 1004208, 1255260, 1338944, 1673680, 2008416, 2510520, 2677888, 3347360, 4016832, 5021040, 6694720, 8033664, 10042080, 13389440, 20084160, 40168320]

約数ペア:

[(1, 40168320), (2, 20084160), (3, 13389440), (4, 10042080), (5, 8033664), (6, 6694720), (8, 5021040), (10, 4016832), (12, 3347360), (15, 2677888), (16, 2510520), (20, 2008416), (24, 1673680), (30, 1338944), (32, 1255260), (40, 1004208), (48, 836840), (60, 669472), (64, 627630), (80, 502104), (96, 418420), (120, 334736), (128, 313815), (160, 251052), (192, 209210), (240, 167368), (320, 125526), (384, 104605), (480, 83684), (640, 62763), (960, 41842), (1920, 20921)]