204240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 80

約数和(自身を含む): 678528

約数和(自身を除く): 474288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 37, 40, 46, 48, 60, 69, 74, 80, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 240, 276, 296, 345, 368, 370, 444, 460, 552, 555, 592, 690, 740, 851, 888, 920, 1104, 1110, 1380, 1480, 1702, 1776, 1840, 2220, 2553, 2760, 2960, 3404, 4255, 4440, 5106, 5520, 6808, 8510, 8880, 10212, 12765, 13616, 17020, 20424, 25530, 34040, 40848, 51060, 68080, 102120, 204240]

約数ペア:

[(1, 204240), (2, 102120), (3, 68080), (4, 51060), (5, 40848), (6, 34040), (8, 25530), (10, 20424), (12, 17020), (15, 13616), (16, 12765), (20, 10212), (23, 8880), (24, 8510), (30, 6808), (37, 5520), (40, 5106), (46, 4440), (48, 4255), (60, 3404), (69, 2960), (74, 2760), (80, 2553), (92, 2220), (111, 1840), (115, 1776), (120, 1702), (138, 1480), (148, 1380), (184, 1110), (185, 1104), (222, 920), (230, 888), (240, 851), (276, 740), (296, 690), (345, 592), (368, 555), (370, 552), (444, 460)]