20156767920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{301027}}^1$

素因数の和:301080

約数の個数: 160

約数和(自身を含む): 71668746240

約数和(自身を除く): 51511978320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 22320, 33480, 66960, 301027, 602054, 903081, 1204108, 1505135, 1806162, 2408216, 2709243, 3010270, 3612324, 4515405, 4816432, 5418486, 6020540, 7224648, 8127729, 9030810, 9331837, 10836972, 12041080, 13546215, 14449296, 16255458, 18061620, 18663674, 21673944, 24082160, 27092430, 27995511, 32510916, 36123240, 37327348, 40638645, 43347888, 46659185, 54184860, 55991022, 65021832, 72246480, 74654696, 81277290, 83986533, 93318370, 108369720, 111982044, 130043664, 139977555, 149309392, 162554580, 167973066, 186636740, 216739440, 223964088, 251959599, 279955110, 325109160, 335946132, 373273480, 419932665, 447928176, 503919198, 559910220, 650218320, 671892264, 746546960, 839865330, 1007838396, 1119820440, 1259797995, 1343784528, 1679730660, 2015676792, 2239640880, 2519595990, 3359461320, 4031353584, 5039191980, 6718922640, 10078383960, 20156767920]

約数ペア:

[(1, 20156767920), (2, 10078383960), (3, 6718922640), (4, 5039191980), (5, 4031353584), (6, 3359461320), (8, 2519595990), (9, 2239640880), (10, 2015676792), (12, 1679730660), (15, 1343784528), (16, 1259797995), (18, 1119820440), (20, 1007838396), (24, 839865330), (27, 746546960), (30, 671892264), (31, 650218320), (36, 559910220), (40, 503919198), (45, 447928176), (48, 419932665), (54, 373273480), (60, 335946132), (62, 325109160), (72, 279955110), (80, 251959599), (90, 223964088), (93, 216739440), (108, 186636740), (120, 167973066), (124, 162554580), (135, 149309392), (144, 139977555), (155, 130043664), (180, 111982044), (186, 108369720), (216, 93318370), (240, 83986533), (248, 81277290), (270, 74654696), (279, 72246480), (310, 65021832), (360, 55991022), (372, 54184860), (432, 46659185), (465, 43347888), (496, 40638645), (540, 37327348), (558, 36123240), (620, 32510916), (720, 27995511), (744, 27092430), (837, 24082160), (930, 21673944), (1080, 18663674), (1116, 18061620), (1240, 16255458), (1395, 14449296), (1488, 13546215), (1674, 12041080), (1860, 10836972), (2160, 9331837), (2232, 9030810), (2480, 8127729), (2790, 7224648), (3348, 6020540), (3720, 5418486), (4185, 4816432), (4464, 4515405), (5580, 3612324), (6696, 3010270), (7440, 2709243), (8370, 2408216), (11160, 1806162), (13392, 1505135), (16740, 1204108), (22320, 903081), (33480, 602054), (66960, 301027)]