1728778860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{863}}^1$

素因数の和:1268

約数の個数: 144

約数和(自身を含む): 5434490880

約数和(自身を除く): 3705712020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 359, 372, 465, 558, 620, 718, 863, 930, 1077, 1116, 1395, 1436, 1726, 1795, 1860, 2154, 2589, 2790, 3231, 3452, 3590, 4308, 4315, 5178, 5385, 5580, 6462, 7180, 7767, 8630, 10356, 10770, 11129, 12924, 12945, 15534, 16155, 17260, 21540, 22258, 25890, 26753, 31068, 32310, 33387, 38835, 44516, 51780, 53506, 55645, 64620, 66774, 77670, 80259, 100161, 107012, 111290, 133548, 133765, 155340, 160518, 166935, 200322, 222580, 240777, 267530, 309817, 321036, 333870, 400644, 401295, 481554, 500805, 535060, 619634, 667740, 802590, 929451, 963108, 1001610, 1203885, 1239268, 1549085, 1605180, 1858902, 2003220, 2407770, 2788353, 3098170, 3717804, 4647255, 4815540, 5576706, 6196340, 9294510, 9604327, 11153412, 13941765, 18589020, 19208654, 27883530, 28812981, 38417308, 48021635, 55767060, 57625962, 86438943, 96043270, 115251924, 144064905, 172877886, 192086540, 288129810, 345755772, 432194715, 576259620, 864389430, 1728778860]

約数ペア:

[(1, 1728778860), (2, 864389430), (3, 576259620), (4, 432194715), (5, 345755772), (6, 288129810), (9, 192086540), (10, 172877886), (12, 144064905), (15, 115251924), (18, 96043270), (20, 86438943), (30, 57625962), (31, 55767060), (36, 48021635), (45, 38417308), (60, 28812981), (62, 27883530), (90, 19208654), (93, 18589020), (124, 13941765), (155, 11153412), (180, 9604327), (186, 9294510), (279, 6196340), (310, 5576706), (359, 4815540), (372, 4647255), (465, 3717804), (558, 3098170), (620, 2788353), (718, 2407770), (863, 2003220), (930, 1858902), (1077, 1605180), (1116, 1549085), (1395, 1239268), (1436, 1203885), (1726, 1001610), (1795, 963108), (1860, 929451), (2154, 802590), (2589, 667740), (2790, 619634), (3231, 535060), (3452, 500805), (3590, 481554), (4308, 401295), (4315, 400644), (5178, 333870), (5385, 321036), (5580, 309817), (6462, 267530), (7180, 240777), (7767, 222580), (8630, 200322), (10356, 166935), (10770, 160518), (11129, 155340), (12924, 133765), (12945, 133548), (15534, 111290), (16155, 107012), (17260, 100161), (21540, 80259), (22258, 77670), (25890, 66774), (26753, 64620), (31068, 55645), (32310, 53506), (33387, 51780), (38835, 44516)]