645459840

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{12451}}^1$

素因数の和:12482

約数の個数: 160

約数和(自身を含む): 2305238760

約数和(自身を除く): 1659778920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12451, 12960, 17280, 24902, 25920, 37353, 49804, 51840, 62255, 74706, 99608, 112059, 124510, 149412, 186765, 199216, 224118, 249020, 298824, 336177, 373530, 398432, 448236, 498040, 560295, 597648, 672354, 747060, 796864, 896472, 996080, 1008531, 1120590, 1195296, 1344708, 1494120, 1593728, 1680885, 1792944, 1992160, 2017062, 2241180, 2390592, 2689416, 2988240, 3361770, 3585888, 3984320, 4034124, 4482360, 4781184, 5042655, 5378832, 5976480, 6723540, 7171776, 7968640, 8068248, 8964720, 10085310, 10757664, 11952960, 13447080, 14343552, 16136496, 17929440, 20170620, 21515328, 23905920, 26894160, 32272992, 35858880, 40341240, 43030656, 53788320, 64545984, 71717760, 80682480, 107576640, 129091968, 161364960, 215153280, 322729920, 645459840]

約数ペア:

[(1, 645459840), (2, 322729920), (3, 215153280), (4, 161364960), (5, 129091968), (6, 107576640), (8, 80682480), (9, 71717760), (10, 64545984), (12, 53788320), (15, 43030656), (16, 40341240), (18, 35858880), (20, 32272992), (24, 26894160), (27, 23905920), (30, 21515328), (32, 20170620), (36, 17929440), (40, 16136496), (45, 14343552), (48, 13447080), (54, 11952960), (60, 10757664), (64, 10085310), (72, 8964720), (80, 8068248), (81, 7968640), (90, 7171776), (96, 6723540), (108, 5976480), (120, 5378832), (128, 5042655), (135, 4781184), (144, 4482360), (160, 4034124), (162, 3984320), (180, 3585888), (192, 3361770), (216, 2988240), (240, 2689416), (270, 2390592), (288, 2241180), (320, 2017062), (324, 1992160), (360, 1792944), (384, 1680885), (405, 1593728), (432, 1494120), (480, 1344708), (540, 1195296), (576, 1120590), (640, 1008531), (648, 996080), (720, 896472), (810, 796864), (864, 747060), (960, 672354), (1080, 597648), (1152, 560295), (1296, 498040), (1440, 448236), (1620, 398432), (1728, 373530), (1920, 336177), (2160, 298824), (2592, 249020), (2880, 224118), (3240, 199216), (3456, 186765), (4320, 149412), (5184, 124510), (5760, 112059), (6480, 99608), (8640, 74706), (10368, 62255), (12451, 51840), (12960, 49804), (17280, 37353), (24902, 25920)]