2015137920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17789}}^1$

素因数の和:17870

約数の個数: 128

約数和(自身を含む): 6532488000

約数和(自身を除く): 4517350080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 295, 320, 354, 384, 472, 480, 590, 640, 708, 885, 944, 960, 1180, 1416, 1770, 1888, 1920, 2360, 2832, 3540, 3776, 4720, 5664, 7080, 7552, 9440, 11328, 14160, 17789, 18880, 22656, 28320, 35578, 37760, 53367, 56640, 71156, 88945, 106734, 113280, 142312, 177890, 213468, 266835, 284624, 355780, 426936, 533670, 569248, 711560, 853872, 1049551, 1067340, 1138496, 1423120, 1707744, 2099102, 2134680, 2276992, 2846240, 3148653, 3415488, 4198204, 4269360, 5247755, 5692480, 6297306, 6830976, 8396408, 8538720, 10495510, 11384960, 12594612, 15743265, 16792816, 17077440, 20991020, 25189224, 31486530, 33585632, 34154880, 41982040, 50378448, 62973060, 67171264, 83964080, 100756896, 125946120, 134342528, 167928160, 201513792, 251892240, 335856320, 403027584, 503784480, 671712640, 1007568960, 2015137920]

約数ペア:

[(1, 2015137920), (2, 1007568960), (3, 671712640), (4, 503784480), (5, 403027584), (6, 335856320), (8, 251892240), (10, 201513792), (12, 167928160), (15, 134342528), (16, 125946120), (20, 100756896), (24, 83964080), (30, 67171264), (32, 62973060), (40, 50378448), (48, 41982040), (59, 34154880), (60, 33585632), (64, 31486530), (80, 25189224), (96, 20991020), (118, 17077440), (120, 16792816), (128, 15743265), (160, 12594612), (177, 11384960), (192, 10495510), (236, 8538720), (240, 8396408), (295, 6830976), (320, 6297306), (354, 5692480), (384, 5247755), (472, 4269360), (480, 4198204), (590, 3415488), (640, 3148653), (708, 2846240), (885, 2276992), (944, 2134680), (960, 2099102), (1180, 1707744), (1416, 1423120), (1770, 1138496), (1888, 1067340), (1920, 1049551), (2360, 853872), (2832, 711560), (3540, 569248), (3776, 533670), (4720, 426936), (5664, 355780), (7080, 284624), (7552, 266835), (9440, 213468), (11328, 177890), (14160, 142312), (17789, 113280), (18880, 106734), (22656, 88945), (28320, 71156), (35578, 56640), (37760, 53367)]