204717780

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:785

約数の個数: 168

約数和(自身を含む): 679408800

約数和(自身を除く): 474691020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 729, 739, 810, 855, 972, 1026, 1140, 1215, 1458, 1478, 1539, 1620, 1710, 2052, 2217, 2430, 2565, 2916, 2956, 3078, 3420, 3645, 3695, 4434, 4617, 4860, 5130, 6156, 6651, 7290, 7390, 7695, 8868, 9234, 10260, 11085, 13302, 13851, 14041, 14580, 14780, 15390, 18468, 19953, 22170, 23085, 26604, 27702, 28082, 30780, 33255, 39906, 42123, 44340, 46170, 55404, 56164, 59859, 66510, 69255, 70205, 79812, 84246, 92340, 99765, 119718, 126369, 133020, 138510, 140410, 168492, 179577, 199530, 210615, 239436, 252738, 277020, 280820, 299295, 359154, 379107, 399060, 421230, 505476, 538731, 598590, 631845, 718308, 758214, 842460, 897885, 1077462, 1137321, 1197180, 1263690, 1516428, 1795770, 1895535, 2154924, 2274642, 2527380, 2693655, 3411963, 3591540, 3791070, 4549284, 5387310, 5686605, 6823926, 7582140, 10235889, 10774620, 11373210, 13647852, 17059815, 20471778, 22746420, 34119630, 40943556, 51179445, 68239260, 102358890, 204717780]

約数ペア:

[(1, 204717780), (2, 102358890), (3, 68239260), (4, 51179445), (5, 40943556), (6, 34119630), (9, 22746420), (10, 20471778), (12, 17059815), (15, 13647852), (18, 11373210), (19, 10774620), (20, 10235889), (27, 7582140), (30, 6823926), (36, 5686605), (38, 5387310), (45, 4549284), (54, 3791070), (57, 3591540), (60, 3411963), (76, 2693655), (81, 2527380), (90, 2274642), (95, 2154924), (108, 1895535), (114, 1795770), (135, 1516428), (162, 1263690), (171, 1197180), (180, 1137321), (190, 1077462), (228, 897885), (243, 842460), (270, 758214), (285, 718308), (324, 631845), (342, 598590), (380, 538731), (405, 505476), (486, 421230), (513, 399060), (540, 379107), (570, 359154), (684, 299295), (729, 280820), (739, 277020), (810, 252738), (855, 239436), (972, 210615), (1026, 199530), (1140, 179577), (1215, 168492), (1458, 140410), (1478, 138510), (1539, 133020), (1620, 126369), (1710, 119718), (2052, 99765), (2217, 92340), (2430, 84246), (2565, 79812), (2916, 70205), (2956, 69255), (3078, 66510), (3420, 59859), (3645, 56164), (3695, 55404), (4434, 46170), (4617, 44340), (4860, 42123), (5130, 39906), (6156, 33255), (6651, 30780), (7290, 28082), (7390, 27702), (7695, 26604), (8868, 23085), (9234, 22170), (10260, 19953), (11085, 18468), (13302, 15390), (13851, 14780), (14041, 14580)]