253711440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 240

約数和(自身を含む): 914274816

約数和(自身を除く): 660563376

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, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 372, 405, 421, 432, 465, 486, 496, 540, 558, 620, 648, 720, 744, 810, 837, 842, 930, 972, 1080, 1116, 1215, 1240, 1263, 1296, 1395, 1488, 1620, 1674, 1684, 1860, 1944, 2105, 2160, 2232, 2430, 2480, 2511, 2526, 2790, 3240, 3348, 3368, 3720, 3789, 3888, 4185, 4210, 4464, 4860, 5022, 5052, 5580, 6315, 6480, 6696, 6736, 7440, 7533, 7578, 8370, 8420, 9720, 10044, 10104, 11160, 11367, 12555, 12630, 13051, 13392, 15066, 15156, 16740, 16840, 18945, 19440, 20088, 20208, 22320, 22734, 25110, 25260, 26102, 30132, 30312, 33480, 33680, 34101, 37665, 37890, 39153, 40176, 45468, 50220, 50520, 52204, 56835, 60264, 60624, 65255, 66960, 68202, 75330, 75780, 78306, 90936, 100440, 101040, 102303, 104408, 113670, 117459, 120528, 130510, 136404, 150660, 151560, 156612, 170505, 181872, 195765, 200880, 204606, 208816, 227340, 234918, 261020, 272808, 301320, 303120, 313224, 341010, 352377, 391530, 409212, 454680, 469836, 511515, 522040, 545616, 587295, 602640, 626448, 682020, 704754, 783060, 818424, 909360, 939672, 1023030, 1044080, 1057131, 1174590, 1364040, 1409508, 1566120, 1636848, 1761885, 1879344, 2046060, 2114262, 2349180, 2728080, 2819016, 3132240, 3171393, 3523770, 4092120, 4228524, 4698360, 5285655, 5638032, 6342786, 7047540, 8184240, 8457048, 9396720, 10571310, 12685572, 14095080, 15856965, 16914096, 21142620, 25371144, 28190160, 31713930, 42285240, 50742288, 63427860, 84570480, 126855720, 253711440]

約数ペア:

[(1, 253711440), (2, 126855720), (3, 84570480), (4, 63427860), (5, 50742288), (6, 42285240), (8, 31713930), (9, 28190160), (10, 25371144), (12, 21142620), (15, 16914096), (16, 15856965), (18, 14095080), (20, 12685572), (24, 10571310), (27, 9396720), (30, 8457048), (31, 8184240), (36, 7047540), (40, 6342786), (45, 5638032), (48, 5285655), (54, 4698360), (60, 4228524), (62, 4092120), (72, 3523770), (80, 3171393), (81, 3132240), (90, 2819016), (93, 2728080), (108, 2349180), (120, 2114262), (124, 2046060), (135, 1879344), (144, 1761885), (155, 1636848), (162, 1566120), (180, 1409508), (186, 1364040), (216, 1174590), (240, 1057131), (243, 1044080), (248, 1023030), (270, 939672), (279, 909360), (310, 818424), (324, 783060), (360, 704754), (372, 682020), (405, 626448), (421, 602640), (432, 587295), (465, 545616), (486, 522040), (496, 511515), (540, 469836), (558, 454680), (620, 409212), (648, 391530), (720, 352377), (744, 341010), (810, 313224), (837, 303120), (842, 301320), (930, 272808), (972, 261020), (1080, 234918), (1116, 227340), (1215, 208816), (1240, 204606), (1263, 200880), (1296, 195765), (1395, 181872), (1488, 170505), (1620, 156612), (1674, 151560), (1684, 150660), (1860, 136404), (1944, 130510), (2105, 120528), (2160, 117459), (2232, 113670), (2430, 104408), (2480, 102303), (2511, 101040), (2526, 100440), (2790, 90936), (3240, 78306), (3348, 75780), (3368, 75330), (3720, 68202), (3789, 66960), (3888, 65255), (4185, 60624), (4210, 60264), (4464, 56835), (4860, 52204), (5022, 50520), (5052, 50220), (5580, 45468), (6315, 40176), (6480, 39153), (6696, 37890), (6736, 37665), (7440, 34101), (7533, 33680), (7578, 33480), (8370, 30312), (8420, 30132), (9720, 26102), (10044, 25260), (10104, 25110), (11160, 22734), (11367, 22320), (12555, 20208), (12630, 20088), (13051, 19440), (13392, 18945), (15066, 16840), (15156, 16740)]