128394720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{9907}}^1$

素因数の和:9934

約数の個数: 120

約数和(自身を含む): 453172104

約数和(自身を除く): 324777384

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, 9907, 12960, 19814, 29721, 39628, 49535, 59442, 79256, 89163, 99070, 118884, 148605, 158512, 178326, 198140, 237768, 267489, 297210, 317024, 356652, 396280, 445815, 475536, 534978, 594420, 713304, 792560, 802467, 891630, 951072, 1069956, 1188840, 1337445, 1426608, 1585120, 1604934, 1783260, 2139912, 2377680, 2674890, 2853216, 3209868, 3566520, 4012335, 4279824, 4755360, 5349780, 6419736, 7133040, 8024670, 8559648, 10699560, 12839472, 14266080, 16049340, 21399120, 25678944, 32098680, 42798240, 64197360, 128394720]

約数ペア:

[(1, 128394720), (2, 64197360), (3, 42798240), (4, 32098680), (5, 25678944), (6, 21399120), (8, 16049340), (9, 14266080), (10, 12839472), (12, 10699560), (15, 8559648), (16, 8024670), (18, 7133040), (20, 6419736), (24, 5349780), (27, 4755360), (30, 4279824), (32, 4012335), (36, 3566520), (40, 3209868), (45, 2853216), (48, 2674890), (54, 2377680), (60, 2139912), (72, 1783260), (80, 1604934), (81, 1585120), (90, 1426608), (96, 1337445), (108, 1188840), (120, 1069956), (135, 951072), (144, 891630), (160, 802467), (162, 792560), (180, 713304), (216, 594420), (240, 534978), (270, 475536), (288, 445815), (324, 396280), (360, 356652), (405, 317024), (432, 297210), (480, 267489), (540, 237768), (648, 198140), (720, 178326), (810, 158512), (864, 148605), (1080, 118884), (1296, 99070), (1440, 89163), (1620, 79256), (2160, 59442), (2592, 49535), (3240, 39628), (4320, 29721), (6480, 19814), (9907, 12960)]