21564422640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1109281}}^1$

素因数の和:1109309

約数の個数: 120

約数和(自身を含む): 75102828528

約数和(自身を除く): 53538405888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 1109281, 2218562, 3327843, 4437124, 5546405, 6655686, 8874248, 9983529, 11092810, 13311372, 16639215, 17748496, 19967058, 22185620, 26622744, 29950587, 33278430, 39934116, 44371240, 49917645, 53245488, 59901174, 66556860, 79868232, 88742480, 89851761, 99835290, 119802348, 133113720, 149752935, 159736464, 179703522, 199670580, 239604696, 266227440, 269555283, 299505870, 359407044, 399341160, 449258805, 479209392, 539110566, 599011740, 718814088, 798682320, 898517610, 1078221132, 1198023480, 1347776415, 1437628176, 1797035220, 2156442264, 2396046960, 2695552830, 3594070440, 4312884528, 5391105660, 7188140880, 10782211320, 21564422640]

約数ペア:

[(1, 21564422640), (2, 10782211320), (3, 7188140880), (4, 5391105660), (5, 4312884528), (6, 3594070440), (8, 2695552830), (9, 2396046960), (10, 2156442264), (12, 1797035220), (15, 1437628176), (16, 1347776415), (18, 1198023480), (20, 1078221132), (24, 898517610), (27, 798682320), (30, 718814088), (36, 599011740), (40, 539110566), (45, 479209392), (48, 449258805), (54, 399341160), (60, 359407044), (72, 299505870), (80, 269555283), (81, 266227440), (90, 239604696), (108, 199670580), (120, 179703522), (135, 159736464), (144, 149752935), (162, 133113720), (180, 119802348), (216, 99835290), (240, 89851761), (243, 88742480), (270, 79868232), (324, 66556860), (360, 59901174), (405, 53245488), (432, 49917645), (486, 44371240), (540, 39934116), (648, 33278430), (720, 29950587), (810, 26622744), (972, 22185620), (1080, 19967058), (1215, 17748496), (1296, 16639215), (1620, 13311372), (1944, 11092810), (2160, 9983529), (2430, 8874248), (3240, 6655686), (3888, 5546405), (4860, 4437124), (6480, 3327843), (9720, 2218562), (19440, 1109281)]