204345720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 684288000

約数和(自身を除く): 479942280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 431, 439, 540, 862, 878, 1080, 1293, 1317, 1724, 1756, 2155, 2195, 2586, 2634, 3448, 3512, 3879, 3951, 4310, 4390, 5172, 5268, 6465, 6585, 7758, 7902, 8620, 8780, 10344, 10536, 11637, 11853, 12930, 13170, 15516, 15804, 17240, 17560, 19395, 19755, 23274, 23706, 25860, 26340, 31032, 31608, 38790, 39510, 46548, 47412, 51720, 52680, 58185, 59265, 77580, 79020, 93096, 94824, 116370, 118530, 155160, 158040, 189209, 232740, 237060, 378418, 465480, 474120, 567627, 756836, 946045, 1135254, 1513672, 1702881, 1892090, 2270508, 2838135, 3405762, 3784180, 4541016, 5108643, 5676270, 6811524, 7568360, 8514405, 10217286, 11352540, 13623048, 17028810, 20434572, 22705080, 25543215, 34057620, 40869144, 51086430, 68115240, 102172860, 204345720]

約数ペア:

[(1, 204345720), (2, 102172860), (3, 68115240), (4, 51086430), (5, 40869144), (6, 34057620), (8, 25543215), (9, 22705080), (10, 20434572), (12, 17028810), (15, 13623048), (18, 11352540), (20, 10217286), (24, 8514405), (27, 7568360), (30, 6811524), (36, 5676270), (40, 5108643), (45, 4541016), (54, 3784180), (60, 3405762), (72, 2838135), (90, 2270508), (108, 1892090), (120, 1702881), (135, 1513672), (180, 1135254), (216, 946045), (270, 756836), (360, 567627), (431, 474120), (439, 465480), (540, 378418), (862, 237060), (878, 232740), (1080, 189209), (1293, 158040), (1317, 155160), (1724, 118530), (1756, 116370), (2155, 94824), (2195, 93096), (2586, 79020), (2634, 77580), (3448, 59265), (3512, 58185), (3879, 52680), (3951, 51720), (4310, 47412), (4390, 46548), (5172, 39510), (5268, 38790), (6465, 31608), (6585, 31032), (7758, 26340), (7902, 25860), (8620, 23706), (8780, 23274), (10344, 19755), (10536, 19395), (11637, 17560), (11853, 17240), (12930, 15804), (13170, 15516)]