1278397080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1723}}^1$

素因数の和:1975

約数の個数: 160

約数和(自身を含む): 4318102800

約数和(自身を除く): 3039705720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 229, 270, 324, 360, 405, 458, 540, 648, 687, 810, 916, 1080, 1145, 1374, 1620, 1723, 1832, 2061, 2290, 2748, 3240, 3435, 3446, 4122, 4580, 5169, 5496, 6183, 6870, 6892, 8244, 8615, 9160, 10305, 10338, 12366, 13740, 13784, 15507, 16488, 17230, 18549, 20610, 20676, 24732, 25845, 27480, 30915, 31014, 34460, 37098, 41220, 41352, 46521, 49464, 51690, 61830, 62028, 68920, 74196, 77535, 82440, 92745, 93042, 103380, 123660, 124056, 139563, 148392, 155070, 185490, 186084, 206760, 232605, 247320, 279126, 310140, 370980, 372168, 394567, 465210, 558252, 620280, 697815, 741960, 789134, 930420, 1116504, 1183701, 1395630, 1578268, 1860840, 1972835, 2367402, 2791260, 3156536, 3551103, 3945670, 4734804, 5582520, 5918505, 7102206, 7891340, 9469608, 10653309, 11837010, 14204412, 15782680, 17755515, 21306618, 23674020, 28408824, 31959927, 35511030, 42613236, 47348040, 53266545, 63919854, 71022060, 85226472, 106533090, 127839708, 142044120, 159799635, 213066180, 255679416, 319599270, 426132360, 639198540, 1278397080]

約数ペア:

[(1, 1278397080), (2, 639198540), (3, 426132360), (4, 319599270), (5, 255679416), (6, 213066180), (8, 159799635), (9, 142044120), (10, 127839708), (12, 106533090), (15, 85226472), (18, 71022060), (20, 63919854), (24, 53266545), (27, 47348040), (30, 42613236), (36, 35511030), (40, 31959927), (45, 28408824), (54, 23674020), (60, 21306618), (72, 17755515), (81, 15782680), (90, 14204412), (108, 11837010), (120, 10653309), (135, 9469608), (162, 7891340), (180, 7102206), (216, 5918505), (229, 5582520), (270, 4734804), (324, 3945670), (360, 3551103), (405, 3156536), (458, 2791260), (540, 2367402), (648, 1972835), (687, 1860840), (810, 1578268), (916, 1395630), (1080, 1183701), (1145, 1116504), (1374, 930420), (1620, 789134), (1723, 741960), (1832, 697815), (2061, 620280), (2290, 558252), (2748, 465210), (3240, 394567), (3435, 372168), (3446, 370980), (4122, 310140), (4580, 279126), (5169, 247320), (5496, 232605), (6183, 206760), (6870, 186084), (6892, 185490), (8244, 155070), (8615, 148392), (9160, 139563), (10305, 124056), (10338, 123660), (12366, 103380), (13740, 93042), (13784, 92745), (15507, 82440), (16488, 77535), (17230, 74196), (18549, 68920), (20610, 62028), (20676, 61830), (24732, 51690), (25845, 49464), (27480, 46521), (30915, 41352), (31014, 41220), (34460, 37098)]