399457920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5623}}^1$

素因数の和:5682

約数の個数: 128

約数和(自身を含む): 1307917440

約数和(自身を除く): 908459520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 4440, 4736, 5623, 5920, 7104, 8880, 11246, 11840, 14208, 16869, 17760, 22492, 23680, 28115, 33738, 35520, 44984, 56230, 67476, 71040, 84345, 89968, 112460, 134952, 168690, 179936, 208051, 224920, 269904, 337380, 359872, 416102, 449840, 539808, 624153, 674760, 719744, 832204, 899680, 1040255, 1079616, 1248306, 1349520, 1664408, 1799360, 2080510, 2159232, 2496612, 2699040, 3120765, 3328816, 3598720, 4161020, 4993224, 5398080, 6241530, 6657632, 8322040, 9986448, 10796160, 12483060, 13315264, 16644080, 19972896, 24966120, 26630528, 33288160, 39945792, 49932240, 66576320, 79891584, 99864480, 133152640, 199728960, 399457920]

約数ペア:

[(1, 399457920), (2, 199728960), (3, 133152640), (4, 99864480), (5, 79891584), (6, 66576320), (8, 49932240), (10, 39945792), (12, 33288160), (15, 26630528), (16, 24966120), (20, 19972896), (24, 16644080), (30, 13315264), (32, 12483060), (37, 10796160), (40, 9986448), (48, 8322040), (60, 6657632), (64, 6241530), (74, 5398080), (80, 4993224), (96, 4161020), (111, 3598720), (120, 3328816), (128, 3120765), (148, 2699040), (160, 2496612), (185, 2159232), (192, 2080510), (222, 1799360), (240, 1664408), (296, 1349520), (320, 1248306), (370, 1079616), (384, 1040255), (444, 899680), (480, 832204), (555, 719744), (592, 674760), (640, 624153), (740, 539808), (888, 449840), (960, 416102), (1110, 359872), (1184, 337380), (1480, 269904), (1776, 224920), (1920, 208051), (2220, 179936), (2368, 168690), (2960, 134952), (3552, 112460), (4440, 89968), (4736, 84345), (5623, 71040), (5920, 67476), (7104, 56230), (8880, 44984), (11246, 35520), (11840, 33738), (14208, 28115), (16869, 23680), (17760, 22492)]