28683720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 104569920

約数和(自身を除く): 75886200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 227, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 454, 468, 486, 520, 540, 585, 648, 681, 702, 780, 810, 908, 936, 972, 1053, 1080, 1135, 1170, 1215, 1362, 1404, 1560, 1620, 1755, 1816, 1944, 2043, 2106, 2270, 2340, 2430, 2724, 2808, 2951, 3159, 3240, 3405, 3510, 4086, 4212, 4540, 4680, 4860, 5265, 5448, 5902, 6129, 6318, 6810, 7020, 8172, 8424, 8853, 9080, 9720, 10215, 10530, 11804, 12258, 12636, 13620, 14040, 14755, 15795, 16344, 17706, 18387, 20430, 21060, 23608, 24516, 25272, 26559, 27240, 29510, 30645, 31590, 35412, 36774, 40860, 42120, 44265, 49032, 53118, 55161, 59020, 61290, 63180, 70824, 73548, 79677, 81720, 88530, 91935, 106236, 110322, 118040, 122580, 126360, 132795, 147096, 159354, 177060, 183870, 212472, 220644, 239031, 245160, 265590, 275805, 318708, 354120, 367740, 398385, 441288, 478062, 531180, 551610, 637416, 717093, 735480, 796770, 956124, 1062360, 1103220, 1195155, 1434186, 1593540, 1912248, 2206440, 2390310, 2868372, 3187080, 3585465, 4780620, 5736744, 7170930, 9561240, 14341860, 28683720]

約数ペア:

[(1, 28683720), (2, 14341860), (3, 9561240), (4, 7170930), (5, 5736744), (6, 4780620), (8, 3585465), (9, 3187080), (10, 2868372), (12, 2390310), (13, 2206440), (15, 1912248), (18, 1593540), (20, 1434186), (24, 1195155), (26, 1103220), (27, 1062360), (30, 956124), (36, 796770), (39, 735480), (40, 717093), (45, 637416), (52, 551610), (54, 531180), (60, 478062), (65, 441288), (72, 398385), (78, 367740), (81, 354120), (90, 318708), (104, 275805), (108, 265590), (117, 245160), (120, 239031), (130, 220644), (135, 212472), (156, 183870), (162, 177060), (180, 159354), (195, 147096), (216, 132795), (227, 126360), (234, 122580), (243, 118040), (260, 110322), (270, 106236), (312, 91935), (324, 88530), (351, 81720), (360, 79677), (390, 73548), (405, 70824), (454, 63180), (468, 61290), (486, 59020), (520, 55161), (540, 53118), (585, 49032), (648, 44265), (681, 42120), (702, 40860), (780, 36774), (810, 35412), (908, 31590), (936, 30645), (972, 29510), (1053, 27240), (1080, 26559), (1135, 25272), (1170, 24516), (1215, 23608), (1362, 21060), (1404, 20430), (1560, 18387), (1620, 17706), (1755, 16344), (1816, 15795), (1944, 14755), (2043, 14040), (2106, 13620), (2270, 12636), (2340, 12258), (2430, 11804), (2724, 10530), (2808, 10215), (2951, 9720), (3159, 9080), (3240, 8853), (3405, 8424), (3510, 8172), (4086, 7020), (4212, 6810), (4540, 6318), (4680, 6129), (4860, 5902), (5265, 5448)]