653706720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{389}}^2$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 2293870320

約数和(自身を除く): 1640163600

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, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 389, 432, 480, 540, 720, 778, 864, 1080, 1167, 1440, 1556, 1945, 2160, 2334, 3112, 3501, 3890, 4320, 4668, 5835, 6224, 7002, 7780, 9336, 10503, 11670, 12448, 14004, 15560, 17505, 18672, 21006, 23340, 28008, 31120, 35010, 37344, 42012, 46680, 52515, 56016, 62240, 70020, 84024, 93360, 105030, 112032, 140040, 151321, 168048, 186720, 210060, 280080, 302642, 336096, 420120, 453963, 560160, 605284, 756605, 840240, 907926, 1210568, 1361889, 1513210, 1680480, 1815852, 2269815, 2421136, 2723778, 3026420, 3631704, 4085667, 4539630, 4842272, 5447556, 6052840, 6809445, 7263408, 8171334, 9079260, 10895112, 12105680, 13618890, 14526816, 16342668, 18158520, 20428335, 21790224, 24211360, 27237780, 32685336, 36317040, 40856670, 43580448, 54475560, 65370672, 72634080, 81713340, 108951120, 130741344, 163426680, 217902240, 326853360, 653706720]

約数ペア:

[(1, 653706720), (2, 326853360), (3, 217902240), (4, 163426680), (5, 130741344), (6, 108951120), (8, 81713340), (9, 72634080), (10, 65370672), (12, 54475560), (15, 43580448), (16, 40856670), (18, 36317040), (20, 32685336), (24, 27237780), (27, 24211360), (30, 21790224), (32, 20428335), (36, 18158520), (40, 16342668), (45, 14526816), (48, 13618890), (54, 12105680), (60, 10895112), (72, 9079260), (80, 8171334), (90, 7263408), (96, 6809445), (108, 6052840), (120, 5447556), (135, 4842272), (144, 4539630), (160, 4085667), (180, 3631704), (216, 3026420), (240, 2723778), (270, 2421136), (288, 2269815), (360, 1815852), (389, 1680480), (432, 1513210), (480, 1361889), (540, 1210568), (720, 907926), (778, 840240), (864, 756605), (1080, 605284), (1167, 560160), (1440, 453963), (1556, 420120), (1945, 336096), (2160, 302642), (2334, 280080), (3112, 210060), (3501, 186720), (3890, 168048), (4320, 151321), (4668, 140040), (5835, 112032), (6224, 105030), (7002, 93360), (7780, 84024), (9336, 70020), (10503, 62240), (11670, 56016), (12448, 52515), (14004, 46680), (15560, 42012), (17505, 37344), (18672, 35010), (21006, 31120), (23340, 28008)]