204615720

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{2339}}^1$

素因数の和:2371

約数の個数: 128

約数和(自身を含む): 690768000

約数和(自身を除く): 486152280

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, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2339, 2430, 2916, 3240, 3645, 4374, 4678, 4860, 5832, 7017, 7290, 8748, 9356, 9720, 10935, 11695, 14034, 14580, 17496, 18712, 21051, 21870, 23390, 28068, 29160, 35085, 42102, 43740, 46780, 56136, 63153, 70170, 84204, 87480, 93560, 105255, 126306, 140340, 168408, 189459, 210510, 252612, 280680, 315765, 378918, 421020, 505224, 568377, 631530, 757836, 842040, 947295, 1136754, 1263060, 1515672, 1705131, 1894590, 2273508, 2526120, 2841885, 3410262, 3789180, 4547016, 5115393, 5683770, 6820524, 7578360, 8525655, 10230786, 11367540, 13641048, 17051310, 20461572, 22735080, 25576965, 34102620, 40923144, 51153930, 68205240, 102307860, 204615720]

約数ペア:

[(1, 204615720), (2, 102307860), (3, 68205240), (4, 51153930), (5, 40923144), (6, 34102620), (8, 25576965), (9, 22735080), (10, 20461572), (12, 17051310), (15, 13641048), (18, 11367540), (20, 10230786), (24, 8525655), (27, 7578360), (30, 6820524), (36, 5683770), (40, 5115393), (45, 4547016), (54, 3789180), (60, 3410262), (72, 2841885), (81, 2526120), (90, 2273508), (108, 1894590), (120, 1705131), (135, 1515672), (162, 1263060), (180, 1136754), (216, 947295), (243, 842040), (270, 757836), (324, 631530), (360, 568377), (405, 505224), (486, 421020), (540, 378918), (648, 315765), (729, 280680), (810, 252612), (972, 210510), (1080, 189459), (1215, 168408), (1458, 140340), (1620, 126306), (1944, 105255), (2187, 93560), (2339, 87480), (2430, 84204), (2916, 70170), (3240, 63153), (3645, 56136), (4374, 46780), (4678, 43740), (4860, 42102), (5832, 35085), (7017, 29160), (7290, 28068), (8748, 23390), (9356, 21870), (9720, 21051), (10935, 18712), (11695, 17496), (14034, 14580)]