318530640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32371}}^1$

素因数の和:32428

約数の個数: 80

約数和(自身を含む): 1011560256

約数和(自身を除く): 693029616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 32371, 64742, 97113, 129484, 161855, 194226, 258968, 323710, 388452, 485565, 517936, 647420, 776904, 971130, 1294840, 1327211, 1553808, 1942260, 2589680, 2654422, 3884520, 3981633, 5308844, 6636055, 7769040, 7963266, 10617688, 13272110, 15926532, 19908165, 21235376, 26544220, 31853064, 39816330, 53088440, 63706128, 79632660, 106176880, 159265320, 318530640]

約数ペア:

[(1, 318530640), (2, 159265320), (3, 106176880), (4, 79632660), (5, 63706128), (6, 53088440), (8, 39816330), (10, 31853064), (12, 26544220), (15, 21235376), (16, 19908165), (20, 15926532), (24, 13272110), (30, 10617688), (40, 7963266), (41, 7769040), (48, 6636055), (60, 5308844), (80, 3981633), (82, 3884520), (120, 2654422), (123, 2589680), (164, 1942260), (205, 1553808), (240, 1327211), (246, 1294840), (328, 971130), (410, 776904), (492, 647420), (615, 517936), (656, 485565), (820, 388452), (984, 323710), (1230, 258968), (1640, 194226), (1968, 161855), (2460, 129484), (3280, 97113), (4920, 64742), (9840, 32371)]