240420960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1467

約数の個数: 240

約数和(自身を含む): 914394096

約数和(自身を除く): 673973136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1427, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 2854, 3120, 3240, 3510, 3744, 4212, 4281, 4320, 4680, 5265, 5616, 5708, 6240, 6480, 7020, 7135, 8424, 8562, 9360, 10530, 11232, 11416, 12843, 12960, 14040, 14270, 16848, 17124, 18551, 18720, 21060, 21405, 22832, 25686, 28080, 28540, 33696, 34248, 37102, 38529, 42120, 42810, 45664, 51372, 55653, 56160, 57080, 64215, 68496, 74204, 77058, 84240, 85620, 92755, 102744, 111306, 114160, 115587, 128430, 136992, 148408, 154116, 166959, 168480, 171240, 185510, 192645, 205488, 222612, 228320, 231174, 256860, 278265, 296816, 308232, 333918, 342480, 371020, 385290, 410976, 445224, 462348, 500877, 513720, 556530, 577935, 593632, 616464, 667836, 684960, 742040, 770580, 834795, 890448, 924696, 1001754, 1027440, 1113060, 1155870, 1232928, 1335672, 1484080, 1502631, 1541160, 1669590, 1780896, 1849392, 2003508, 2054880, 2226120, 2311740, 2504385, 2671344, 2968160, 3005262, 3082320, 3339180, 3698784, 4007016, 4452240, 4623480, 5008770, 5342688, 6010524, 6164640, 6678360, 7513155, 8014032, 8904480, 9246960, 10017540, 12021048, 13356720, 15026310, 16028064, 18493920, 20035080, 24042096, 26713440, 30052620, 40070160, 48084192, 60105240, 80140320, 120210480, 240420960]

約数ペア:

[(1, 240420960), (2, 120210480), (3, 80140320), (4, 60105240), (5, 48084192), (6, 40070160), (8, 30052620), (9, 26713440), (10, 24042096), (12, 20035080), (13, 18493920), (15, 16028064), (16, 15026310), (18, 13356720), (20, 12021048), (24, 10017540), (26, 9246960), (27, 8904480), (30, 8014032), (32, 7513155), (36, 6678360), (39, 6164640), (40, 6010524), (45, 5342688), (48, 5008770), (52, 4623480), (54, 4452240), (60, 4007016), (65, 3698784), (72, 3339180), (78, 3082320), (80, 3005262), (81, 2968160), (90, 2671344), (96, 2504385), (104, 2311740), (108, 2226120), (117, 2054880), (120, 2003508), (130, 1849392), (135, 1780896), (144, 1669590), (156, 1541160), (160, 1502631), (162, 1484080), (180, 1335672), (195, 1232928), (208, 1155870), (216, 1113060), (234, 1027440), (240, 1001754), (260, 924696), (270, 890448), (288, 834795), (312, 770580), (324, 742040), (351, 684960), (360, 667836), (390, 616464), (405, 593632), (416, 577935), (432, 556530), (468, 513720), (480, 500877), (520, 462348), (540, 445224), (585, 410976), (624, 385290), (648, 371020), (702, 342480), (720, 333918), (780, 308232), (810, 296816), (864, 278265), (936, 256860), (1040, 231174), (1053, 228320), (1080, 222612), (1170, 205488), (1248, 192645), (1296, 185510), (1404, 171240), (1427, 168480), (1440, 166959), (1560, 154116), (1620, 148408), (1755, 136992), (1872, 128430), (2080, 115587), (2106, 114160), (2160, 111306), (2340, 102744), (2592, 92755), (2808, 85620), (2854, 84240), (3120, 77058), (3240, 74204), (3510, 68496), (3744, 64215), (4212, 57080), (4281, 56160), (4320, 55653), (4680, 51372), (5265, 45664), (5616, 42810), (5708, 42120), (6240, 38529), (6480, 37102), (7020, 34248), (7135, 33696), (8424, 28540), (8562, 28080), (9360, 25686), (10530, 22832), (11232, 21405), (11416, 21060), (12843, 18720), (12960, 18551), (14040, 17124), (14270, 16848)]