165166720

素因数分解:

$2^7\times 5^1\times {\mathrm{421}}^1\times {\mathrm{613}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 396435240

約数和(自身を除く): 231268520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 421, 613, 640, 842, 1226, 1684, 2105, 2452, 3065, 3368, 4210, 4904, 6130, 6736, 8420, 9808, 12260, 13472, 16840, 19616, 24520, 26944, 33680, 39232, 49040, 53888, 67360, 78464, 98080, 134720, 196160, 258073, 269440, 392320, 516146, 1032292, 1290365, 2064584, 2580730, 4129168, 5161460, 8258336, 10322920, 16516672, 20645840, 33033344, 41291680, 82583360, 165166720]

約数ペア:

[(1, 165166720), (2, 82583360), (4, 41291680), (5, 33033344), (8, 20645840), (10, 16516672), (16, 10322920), (20, 8258336), (32, 5161460), (40, 4129168), (64, 2580730), (80, 2064584), (128, 1290365), (160, 1032292), (320, 516146), (421, 392320), (613, 269440), (640, 258073), (842, 196160), (1226, 134720), (1684, 98080), (2105, 78464), (2452, 67360), (3065, 53888), (3368, 49040), (4210, 39232), (4904, 33680), (6130, 26944), (6736, 24520), (8420, 19616), (9808, 16840), (12260, 13472)]