120336640

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2293}}^1$

素因数の和:2355

約数の個数: 72

約数和(自身を含む): 295402968

約数和(自身を除く): 175066328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1640, 2293, 2624, 3280, 4586, 5248, 6560, 9172, 10496, 11465, 13120, 18344, 22930, 26240, 36688, 45860, 52480, 73376, 91720, 94013, 146752, 183440, 188026, 293504, 366880, 376052, 470065, 587008, 733760, 752104, 940130, 1467520, 1504208, 1880260, 2935040, 3008416, 3760520, 6016832, 7521040, 12033664, 15042080, 24067328, 30084160, 60168320, 120336640]

約数ペア:

[(1, 120336640), (2, 60168320), (4, 30084160), (5, 24067328), (8, 15042080), (10, 12033664), (16, 7521040), (20, 6016832), (32, 3760520), (40, 3008416), (41, 2935040), (64, 1880260), (80, 1504208), (82, 1467520), (128, 940130), (160, 752104), (164, 733760), (205, 587008), (256, 470065), (320, 376052), (328, 366880), (410, 293504), (640, 188026), (656, 183440), (820, 146752), (1280, 94013), (1312, 91720), (1640, 73376), (2293, 52480), (2624, 45860), (3280, 36688), (4586, 26240), (5248, 22930), (6560, 18344), (9172, 13120), (10496, 11465)]