1920503520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11399}}^1$

素因数の和:11439

約数の個数: 240

約数和(自身を含む): 7299784800

約数和(自身を除く): 5379281280

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, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 4212, 4320, 4680, 5265, 5616, 6240, 6480, 7020, 8424, 9360, 10530, 11232, 11399, 12960, 14040, 16848, 18720, 21060, 22798, 28080, 33696, 34197, 42120, 45596, 56160, 56995, 68394, 84240, 91192, 102591, 113990, 136788, 148187, 168480, 170985, 182384, 205182, 227980, 273576, 296374, 307773, 341970, 364768, 410364, 444561, 455960, 512955, 547152, 592748, 615546, 683940, 740935, 820728, 889122, 911920, 923319, 1025910, 1094304, 1185496, 1231092, 1333683, 1367880, 1481870, 1538865, 1641456, 1778244, 1823840, 1846638, 2051820, 2222805, 2370992, 2462184, 2667366, 2735760, 2963740, 3077730, 3282912, 3556488, 3693276, 4001049, 4103640, 4445610, 4616595, 4741984, 4924368, 5334732, 5471520, 5927480, 6155460, 6668415, 7112976, 7386552, 8002098, 8207280, 8891220, 9233190, 9848736, 10669464, 11854960, 12003147, 12310920, 13336830, 14225952, 14773104, 16004196, 16414560, 17782440, 18466380, 20005245, 21338928, 23709920, 24006294, 24621840, 26673660, 29546208, 32008392, 35564880, 36932760, 40010490, 42677856, 48012588, 49243680, 53347320, 60015735, 64016784, 71129760, 73865520, 80020980, 96025176, 106694640, 120031470, 128033568, 147731040, 160041960, 192050352, 213389280, 240062940, 320083920, 384100704, 480125880, 640167840, 960251760, 1920503520]

約数ペア:

[(1, 1920503520), (2, 960251760), (3, 640167840), (4, 480125880), (5, 384100704), (6, 320083920), (8, 240062940), (9, 213389280), (10, 192050352), (12, 160041960), (13, 147731040), (15, 128033568), (16, 120031470), (18, 106694640), (20, 96025176), (24, 80020980), (26, 73865520), (27, 71129760), (30, 64016784), (32, 60015735), (36, 53347320), (39, 49243680), (40, 48012588), (45, 42677856), (48, 40010490), (52, 36932760), (54, 35564880), (60, 32008392), (65, 29546208), (72, 26673660), (78, 24621840), (80, 24006294), (81, 23709920), (90, 21338928), (96, 20005245), (104, 18466380), (108, 17782440), (117, 16414560), (120, 16004196), (130, 14773104), (135, 14225952), (144, 13336830), (156, 12310920), (160, 12003147), (162, 11854960), (180, 10669464), (195, 9848736), (208, 9233190), (216, 8891220), (234, 8207280), (240, 8002098), (260, 7386552), (270, 7112976), (288, 6668415), (312, 6155460), (324, 5927480), (351, 5471520), (360, 5334732), (390, 4924368), (405, 4741984), (416, 4616595), (432, 4445610), (468, 4103640), (480, 4001049), (520, 3693276), (540, 3556488), (585, 3282912), (624, 3077730), (648, 2963740), (702, 2735760), (720, 2667366), (780, 2462184), (810, 2370992), (864, 2222805), (936, 2051820), (1040, 1846638), (1053, 1823840), (1080, 1778244), (1170, 1641456), (1248, 1538865), (1296, 1481870), (1404, 1367880), (1440, 1333683), (1560, 1231092), (1620, 1185496), (1755, 1094304), (1872, 1025910), (2080, 923319), (2106, 911920), (2160, 889122), (2340, 820728), (2592, 740935), (2808, 683940), (3120, 615546), (3240, 592748), (3510, 547152), (3744, 512955), (4212, 455960), (4320, 444561), (4680, 410364), (5265, 364768), (5616, 341970), (6240, 307773), (6480, 296374), (7020, 273576), (8424, 227980), (9360, 205182), (10530, 182384), (11232, 170985), (11399, 168480), (12960, 148187), (14040, 136788), (16848, 113990), (18720, 102591), (21060, 91192), (22798, 84240), (28080, 68394), (33696, 56995), (34197, 56160), (42120, 45596)]