28660320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 144

約数和(自身を含む): 105395472

約数和(自身を除く): 76735152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1531, 1560, 1872, 2080, 2340, 3062, 3120, 3744, 4593, 4680, 6124, 6240, 7655, 9186, 9360, 12248, 13779, 15310, 18372, 18720, 19903, 22965, 24496, 27558, 30620, 36744, 39806, 45930, 48992, 55116, 59709, 61240, 68895, 73488, 79612, 91860, 99515, 110232, 119418, 122480, 137790, 146976, 159224, 179127, 183720, 199030, 220464, 238836, 244960, 275580, 298545, 318448, 358254, 367440, 398060, 440928, 477672, 551160, 597090, 636896, 716508, 734880, 796120, 895635, 955344, 1102320, 1194180, 1433016, 1592240, 1791270, 1910688, 2204640, 2388360, 2866032, 3184480, 3582540, 4776720, 5732064, 7165080, 9553440, 14330160, 28660320]

約数ペア:

[(1, 28660320), (2, 14330160), (3, 9553440), (4, 7165080), (5, 5732064), (6, 4776720), (8, 3582540), (9, 3184480), (10, 2866032), (12, 2388360), (13, 2204640), (15, 1910688), (16, 1791270), (18, 1592240), (20, 1433016), (24, 1194180), (26, 1102320), (30, 955344), (32, 895635), (36, 796120), (39, 734880), (40, 716508), (45, 636896), (48, 597090), (52, 551160), (60, 477672), (65, 440928), (72, 398060), (78, 367440), (80, 358254), (90, 318448), (96, 298545), (104, 275580), (117, 244960), (120, 238836), (130, 220464), (144, 199030), (156, 183720), (160, 179127), (180, 159224), (195, 146976), (208, 137790), (234, 122480), (240, 119418), (260, 110232), (288, 99515), (312, 91860), (360, 79612), (390, 73488), (416, 68895), (468, 61240), (480, 59709), (520, 55116), (585, 48992), (624, 45930), (720, 39806), (780, 36744), (936, 30620), (1040, 27558), (1170, 24496), (1248, 22965), (1440, 19903), (1531, 18720), (1560, 18372), (1872, 15310), (2080, 13779), (2340, 12248), (3062, 9360), (3120, 9186), (3744, 7655), (4593, 6240), (4680, 6124)]