261563760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12527}}^1$

素因数の和:12575

約数の個数: 120

約数和(自身を含む): 908781120

約数和(自身を除く): 647217360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 12527, 20880, 25054, 37581, 50108, 62635, 75162, 100216, 112743, 125270, 150324, 187905, 200432, 225486, 250540, 300648, 363283, 375810, 450972, 501080, 563715, 601296, 726566, 751620, 901944, 1002160, 1089849, 1127430, 1453132, 1503240, 1803888, 1816415, 2179698, 2254860, 2906264, 3006480, 3269547, 3632830, 4359396, 4509720, 5449245, 5812528, 6539094, 7265660, 8718792, 9019440, 10898490, 13078188, 14531320, 16347735, 17437584, 21796980, 26156376, 29062640, 32695470, 43593960, 52312752, 65390940, 87187920, 130781880, 261563760]

約数ペア:

[(1, 261563760), (2, 130781880), (3, 87187920), (4, 65390940), (5, 52312752), (6, 43593960), (8, 32695470), (9, 29062640), (10, 26156376), (12, 21796980), (15, 17437584), (16, 16347735), (18, 14531320), (20, 13078188), (24, 10898490), (29, 9019440), (30, 8718792), (36, 7265660), (40, 6539094), (45, 5812528), (48, 5449245), (58, 4509720), (60, 4359396), (72, 3632830), (80, 3269547), (87, 3006480), (90, 2906264), (116, 2254860), (120, 2179698), (144, 1816415), (145, 1803888), (174, 1503240), (180, 1453132), (232, 1127430), (240, 1089849), (261, 1002160), (290, 901944), (348, 751620), (360, 726566), (435, 601296), (464, 563715), (522, 501080), (580, 450972), (696, 375810), (720, 363283), (870, 300648), (1044, 250540), (1160, 225486), (1305, 200432), (1392, 187905), (1740, 150324), (2088, 125270), (2320, 112743), (2610, 100216), (3480, 75162), (4176, 62635), (5220, 50108), (6960, 37581), (10440, 25054), (12527, 20880)]