20804577120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{132547}}^1$

素因数の和:132677

約数の個数: 144

約数和(自身を含む): 71647495920

約数和(自身を除く): 50842918800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 872, 981, 1090, 1308, 1440, 1635, 1744, 1962, 2180, 2616, 3270, 3488, 3924, 4360, 4905, 5232, 6540, 7848, 8720, 9810, 10464, 13080, 15696, 17440, 19620, 26160, 31392, 39240, 52320, 78480, 132547, 156960, 265094, 397641, 530188, 662735, 795282, 1060376, 1192923, 1325470, 1590564, 1988205, 2120752, 2385846, 2650940, 3181128, 3976410, 4241504, 4771692, 5301880, 5964615, 6362256, 7952820, 9543384, 10603760, 11929230, 12724512, 14447623, 15905640, 19086768, 21207520, 23858460, 28895246, 31811280, 38173536, 43342869, 47716920, 57790492, 63622560, 72238115, 86685738, 95433840, 115580984, 130028607, 144476230, 173371476, 190867680, 216714345, 231161968, 260057214, 288952460, 346742952, 433428690, 462323936, 520114428, 577904920, 650143035, 693485904, 866857380, 1040228856, 1155809840, 1300286070, 1386971808, 1733714760, 2080457712, 2311619680, 2600572140, 3467429520, 4160915424, 5201144280, 6934859040, 10402288560, 20804577120]

約数ペア:

[(1, 20804577120), (2, 10402288560), (3, 6934859040), (4, 5201144280), (5, 4160915424), (6, 3467429520), (8, 2600572140), (9, 2311619680), (10, 2080457712), (12, 1733714760), (15, 1386971808), (16, 1300286070), (18, 1155809840), (20, 1040228856), (24, 866857380), (30, 693485904), (32, 650143035), (36, 577904920), (40, 520114428), (45, 462323936), (48, 433428690), (60, 346742952), (72, 288952460), (80, 260057214), (90, 231161968), (96, 216714345), (109, 190867680), (120, 173371476), (144, 144476230), (160, 130028607), (180, 115580984), (218, 95433840), (240, 86685738), (288, 72238115), (327, 63622560), (360, 57790492), (436, 47716920), (480, 43342869), (545, 38173536), (654, 31811280), (720, 28895246), (872, 23858460), (981, 21207520), (1090, 19086768), (1308, 15905640), (1440, 14447623), (1635, 12724512), (1744, 11929230), (1962, 10603760), (2180, 9543384), (2616, 7952820), (3270, 6362256), (3488, 5964615), (3924, 5301880), (4360, 4771692), (4905, 4241504), (5232, 3976410), (6540, 3181128), (7848, 2650940), (8720, 2385846), (9810, 2120752), (10464, 1988205), (13080, 1590564), (15696, 1325470), (17440, 1192923), (19620, 1060376), (26160, 795282), (31392, 662735), (39240, 530188), (52320, 397641), (78480, 265094), (132547, 156960)]