204545520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:640

約数の個数: 160

約数和(自身を含む): 709151040

約数和(自身を除く): 504605520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 281, 337, 360, 432, 540, 562, 674, 720, 843, 1011, 1080, 1124, 1348, 1405, 1685, 1686, 2022, 2160, 2248, 2529, 2696, 2810, 3033, 3370, 3372, 4044, 4215, 4496, 5055, 5058, 5392, 5620, 6066, 6740, 6744, 7587, 8088, 8430, 9099, 10110, 10116, 11240, 12132, 12645, 13480, 13488, 15165, 15174, 16176, 16860, 18198, 20220, 20232, 22480, 24264, 25290, 26960, 30330, 30348, 33720, 36396, 37935, 40440, 40464, 45495, 48528, 50580, 60660, 60696, 67440, 72792, 75870, 80880, 90990, 94697, 101160, 121320, 121392, 145584, 151740, 181980, 189394, 202320, 242640, 284091, 303480, 363960, 378788, 473485, 568182, 606960, 727920, 757576, 852273, 946970, 1136364, 1420455, 1515152, 1704546, 1893940, 2272728, 2556819, 2840910, 3409092, 3787880, 4261365, 4545456, 5113638, 5681820, 6818184, 7575760, 8522730, 10227276, 11363640, 12784095, 13636368, 17045460, 20454552, 22727280, 25568190, 34090920, 40909104, 51136380, 68181840, 102272760, 204545520]

約数ペア:

[(1, 204545520), (2, 102272760), (3, 68181840), (4, 51136380), (5, 40909104), (6, 34090920), (8, 25568190), (9, 22727280), (10, 20454552), (12, 17045460), (15, 13636368), (16, 12784095), (18, 11363640), (20, 10227276), (24, 8522730), (27, 7575760), (30, 6818184), (36, 5681820), (40, 5113638), (45, 4545456), (48, 4261365), (54, 3787880), (60, 3409092), (72, 2840910), (80, 2556819), (90, 2272728), (108, 1893940), (120, 1704546), (135, 1515152), (144, 1420455), (180, 1136364), (216, 946970), (240, 852273), (270, 757576), (281, 727920), (337, 606960), (360, 568182), (432, 473485), (540, 378788), (562, 363960), (674, 303480), (720, 284091), (843, 242640), (1011, 202320), (1080, 189394), (1124, 181980), (1348, 151740), (1405, 145584), (1685, 121392), (1686, 121320), (2022, 101160), (2160, 94697), (2248, 90990), (2529, 80880), (2696, 75870), (2810, 72792), (3033, 67440), (3370, 60696), (3372, 60660), (4044, 50580), (4215, 48528), (4496, 45495), (5055, 40464), (5058, 40440), (5392, 37935), (5620, 36396), (6066, 33720), (6740, 30348), (6744, 30330), (7587, 26960), (8088, 25290), (8430, 24264), (9099, 22480), (10110, 20232), (10116, 20220), (11240, 18198), (12132, 16860), (12645, 16176), (13480, 15174), (13488, 15165)]