204450480

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 240

約数和(自身を含む): 767763360

約数和(自身を除く): 563312880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 780, 809, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1560, 1618, 1620, 1755, 1872, 1944, 2106, 2160, 2340, 2427, 2430, 2808, 3120, 3159, 3236, 3240, 3510, 3888, 4045, 4212, 4680, 4854, 4860, 5265, 5616, 6318, 6472, 6480, 7020, 7281, 8090, 8424, 9360, 9708, 9720, 10517, 10530, 12135, 12636, 12944, 14040, 14562, 15795, 16180, 16848, 19416, 19440, 21034, 21060, 21843, 24270, 25272, 28080, 29124, 31551, 31590, 32360, 36405, 38832, 42068, 42120, 43686, 48540, 50544, 52585, 58248, 63102, 63180, 64720, 65529, 72810, 84136, 84240, 87372, 94653, 97080, 105170, 109215, 116496, 126204, 126360, 131058, 145620, 157755, 168272, 174744, 189306, 194160, 196587, 210340, 218430, 252408, 252720, 262116, 283959, 291240, 315510, 327645, 349488, 378612, 393174, 420680, 436860, 473265, 504816, 524232, 567918, 582480, 631020, 655290, 757224, 786348, 841360, 851877, 873720, 946530, 982935, 1048464, 1135836, 1262040, 1310580, 1419795, 1514448, 1572696, 1703754, 1747440, 1893060, 1965870, 2271672, 2524080, 2555631, 2621160, 2839590, 3145392, 3407508, 3786120, 3931740, 4259385, 4543344, 5111262, 5242320, 5679180, 6815016, 7572240, 7863480, 8518770, 10222524, 11358360, 12778155, 13630032, 15726960, 17037540, 20445048, 22716720, 25556310, 34075080, 40890096, 51112620, 68150160, 102225240, 204450480]

約数ペア:

[(1, 204450480), (2, 102225240), (3, 68150160), (4, 51112620), (5, 40890096), (6, 34075080), (8, 25556310), (9, 22716720), (10, 20445048), (12, 17037540), (13, 15726960), (15, 13630032), (16, 12778155), (18, 11358360), (20, 10222524), (24, 8518770), (26, 7863480), (27, 7572240), (30, 6815016), (36, 5679180), (39, 5242320), (40, 5111262), (45, 4543344), (48, 4259385), (52, 3931740), (54, 3786120), (60, 3407508), (65, 3145392), (72, 2839590), (78, 2621160), (80, 2555631), (81, 2524080), (90, 2271672), (104, 1965870), (108, 1893060), (117, 1747440), (120, 1703754), (130, 1572696), (135, 1514448), (144, 1419795), (156, 1310580), (162, 1262040), (180, 1135836), (195, 1048464), (208, 982935), (216, 946530), (234, 873720), (240, 851877), (243, 841360), (260, 786348), (270, 757224), (312, 655290), (324, 631020), (351, 582480), (360, 567918), (390, 524232), (405, 504816), (432, 473265), (468, 436860), (486, 420680), (520, 393174), (540, 378612), (585, 349488), (624, 327645), (648, 315510), (702, 291240), (720, 283959), (780, 262116), (809, 252720), (810, 252408), (936, 218430), (972, 210340), (1040, 196587), (1053, 194160), (1080, 189306), (1170, 174744), (1215, 168272), (1296, 157755), (1404, 145620), (1560, 131058), (1618, 126360), (1620, 126204), (1755, 116496), (1872, 109215), (1944, 105170), (2106, 97080), (2160, 94653), (2340, 87372), (2427, 84240), (2430, 84136), (2808, 72810), (3120, 65529), (3159, 64720), (3236, 63180), (3240, 63102), (3510, 58248), (3888, 52585), (4045, 50544), (4212, 48540), (4680, 43686), (4854, 42120), (4860, 42068), (5265, 38832), (5616, 36405), (6318, 32360), (6472, 31590), (6480, 31551), (7020, 29124), (7281, 28080), (8090, 25272), (8424, 24270), (9360, 21843), (9708, 21060), (9720, 21034), (10517, 19440), (10530, 19416), (12135, 16848), (12636, 16180), (12944, 15795), (14040, 14562)]