280927440

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{4817}}^1$

素因数の和:4848

約数の個数: 140

約数和(自身を含む): 979489764

約数和(自身を除く): 698562324

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, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3645, 3888, 4817, 4860, 5832, 6480, 7290, 9634, 9720, 11664, 14451, 14580, 19268, 19440, 24085, 28902, 29160, 38536, 43353, 48170, 57804, 58320, 72255, 77072, 86706, 96340, 115608, 130059, 144510, 173412, 192680, 216765, 231216, 260118, 289020, 346824, 385360, 390177, 433530, 520236, 578040, 650295, 693648, 780354, 867060, 1040472, 1156080, 1170531, 1300590, 1560708, 1734120, 1950885, 2080944, 2341062, 2601180, 3121416, 3468240, 3511593, 3901770, 4682124, 5202360, 5852655, 6242832, 7023186, 7803540, 9364248, 10404720, 11705310, 14046372, 15607080, 17557965, 18728496, 23410620, 28092744, 31214160, 35115930, 46821240, 56185488, 70231860, 93642480, 140463720, 280927440]

約数ペア:

[(1, 280927440), (2, 140463720), (3, 93642480), (4, 70231860), (5, 56185488), (6, 46821240), (8, 35115930), (9, 31214160), (10, 28092744), (12, 23410620), (15, 18728496), (16, 17557965), (18, 15607080), (20, 14046372), (24, 11705310), (27, 10404720), (30, 9364248), (36, 7803540), (40, 7023186), (45, 6242832), (48, 5852655), (54, 5202360), (60, 4682124), (72, 3901770), (80, 3511593), (81, 3468240), (90, 3121416), (108, 2601180), (120, 2341062), (135, 2080944), (144, 1950885), (162, 1734120), (180, 1560708), (216, 1300590), (240, 1170531), (243, 1156080), (270, 1040472), (324, 867060), (360, 780354), (405, 693648), (432, 650295), (486, 578040), (540, 520236), (648, 433530), (720, 390177), (729, 385360), (810, 346824), (972, 289020), (1080, 260118), (1215, 231216), (1296, 216765), (1458, 192680), (1620, 173412), (1944, 144510), (2160, 130059), (2430, 115608), (2916, 96340), (3240, 86706), (3645, 77072), (3888, 72255), (4817, 58320), (4860, 57804), (5832, 48170), (6480, 43353), (7290, 38536), (9634, 29160), (9720, 28902), (11664, 24085), (14451, 19440), (14580, 19268)]