28578660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 67221660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 43, 44, 53, 55, 57, 60, 66, 76, 86, 95, 106, 110, 114, 129, 132, 159, 165, 172, 190, 209, 212, 215, 220, 228, 258, 265, 285, 318, 330, 380, 418, 430, 473, 516, 530, 570, 583, 627, 636, 645, 660, 795, 817, 836, 860, 946, 1007, 1045, 1060, 1140, 1166, 1254, 1290, 1419, 1590, 1634, 1749, 1892, 2014, 2090, 2279, 2332, 2365, 2451, 2508, 2580, 2838, 2915, 3021, 3135, 3180, 3268, 3498, 4028, 4085, 4180, 4558, 4730, 4902, 5035, 5676, 5830, 6042, 6270, 6837, 6996, 7095, 8170, 8745, 8987, 9116, 9460, 9804, 10070, 11077, 11395, 11660, 12084, 12255, 12540, 13674, 14190, 15105, 16340, 17490, 17974, 20140, 22154, 22790, 24510, 25069, 26961, 27348, 28380, 30210, 33231, 34185, 34980, 35948, 43301, 44308, 44935, 45580, 49020, 50138, 53922, 55385, 60420, 66462, 68370, 75207, 86602, 89870, 100276, 107844, 110770, 125345, 129903, 132924, 134805, 136740, 150414, 166155, 173204, 179740, 216505, 221540, 250690, 259806, 269610, 300828, 332310, 376035, 433010, 476311, 501380, 519612, 539220, 649515, 664620, 752070, 866020, 952622, 1299030, 1428933, 1504140, 1905244, 2381555, 2598060, 2857866, 4763110, 5715732, 7144665, 9526220, 14289330, 28578660]

約数ペア:

[(1, 28578660), (2, 14289330), (3, 9526220), (4, 7144665), (5, 5715732), (6, 4763110), (10, 2857866), (11, 2598060), (12, 2381555), (15, 1905244), (19, 1504140), (20, 1428933), (22, 1299030), (30, 952622), (33, 866020), (38, 752070), (43, 664620), (44, 649515), (53, 539220), (55, 519612), (57, 501380), (60, 476311), (66, 433010), (76, 376035), (86, 332310), (95, 300828), (106, 269610), (110, 259806), (114, 250690), (129, 221540), (132, 216505), (159, 179740), (165, 173204), (172, 166155), (190, 150414), (209, 136740), (212, 134805), (215, 132924), (220, 129903), (228, 125345), (258, 110770), (265, 107844), (285, 100276), (318, 89870), (330, 86602), (380, 75207), (418, 68370), (430, 66462), (473, 60420), (516, 55385), (530, 53922), (570, 50138), (583, 49020), (627, 45580), (636, 44935), (645, 44308), (660, 43301), (795, 35948), (817, 34980), (836, 34185), (860, 33231), (946, 30210), (1007, 28380), (1045, 27348), (1060, 26961), (1140, 25069), (1166, 24510), (1254, 22790), (1290, 22154), (1419, 20140), (1590, 17974), (1634, 17490), (1749, 16340), (1892, 15105), (2014, 14190), (2090, 13674), (2279, 12540), (2332, 12255), (2365, 12084), (2451, 11660), (2508, 11395), (2580, 11077), (2838, 10070), (2915, 9804), (3021, 9460), (3135, 9116), (3180, 8987), (3268, 8745), (3498, 8170), (4028, 7095), (4085, 6996), (4180, 6837), (4558, 6270), (4730, 6042), (4902, 5830), (5035, 5676)]