257165280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19843}}^1$

素因数の和:19870

約数の個数: 120

約数和(自身を含む): 907624872

約数和(自身を除く): 650459592

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19843, 39686, 59529, 79372, 99215, 119058, 158744, 178587, 198430, 238116, 297645, 317488, 357174, 396860, 476232, 535761, 595290, 634976, 714348, 793720, 892935, 952464, 1071522, 1190580, 1428696, 1587440, 1607283, 1785870, 1904928, 2143044, 2381160, 2678805, 2857392, 3174880, 3214566, 3571740, 4286088, 4762320, 5357610, 5714784, 6429132, 7143480, 8036415, 8572176, 9524640, 10715220, 12858264, 14286960, 16072830, 17144352, 21430440, 25716528, 28573920, 32145660, 42860880, 51433056, 64291320, 85721760, 128582640, 257165280]

約数ペア:

[(1, 257165280), (2, 128582640), (3, 85721760), (4, 64291320), (5, 51433056), (6, 42860880), (8, 32145660), (9, 28573920), (10, 25716528), (12, 21430440), (15, 17144352), (16, 16072830), (18, 14286960), (20, 12858264), (24, 10715220), (27, 9524640), (30, 8572176), (32, 8036415), (36, 7143480), (40, 6429132), (45, 5714784), (48, 5357610), (54, 4762320), (60, 4286088), (72, 3571740), (80, 3214566), (81, 3174880), (90, 2857392), (96, 2678805), (108, 2381160), (120, 2143044), (135, 1904928), (144, 1785870), (160, 1607283), (162, 1587440), (180, 1428696), (216, 1190580), (240, 1071522), (270, 952464), (288, 892935), (324, 793720), (360, 714348), (405, 634976), (432, 595290), (480, 535761), (540, 476232), (648, 396860), (720, 357174), (810, 317488), (864, 297645), (1080, 238116), (1296, 198430), (1440, 178587), (1620, 158744), (2160, 119058), (2592, 99215), (3240, 79372), (4320, 59529), (6480, 39686), (12960, 19843)]