12987360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 45995040

約数和(自身を除く): 33007680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 311, 348, 360, 435, 464, 480, 522, 580, 622, 696, 720, 870, 928, 933, 1044, 1160, 1244, 1305, 1392, 1440, 1555, 1740, 1866, 2088, 2320, 2488, 2610, 2784, 2799, 3110, 3480, 3732, 4176, 4640, 4665, 4976, 5220, 5598, 6220, 6960, 7464, 8352, 9019, 9330, 9952, 10440, 11196, 12440, 13920, 13995, 14928, 18038, 18660, 20880, 22392, 24880, 27057, 27990, 29856, 36076, 37320, 41760, 44784, 45095, 49760, 54114, 55980, 72152, 74640, 81171, 89568, 90190, 108228, 111960, 135285, 144304, 149280, 162342, 180380, 216456, 223920, 270570, 288608, 324684, 360760, 405855, 432912, 447840, 541140, 649368, 721520, 811710, 865824, 1082280, 1298736, 1443040, 1623420, 2164560, 2597472, 3246840, 4329120, 6493680, 12987360]

約数ペア:

[(1, 12987360), (2, 6493680), (3, 4329120), (4, 3246840), (5, 2597472), (6, 2164560), (8, 1623420), (9, 1443040), (10, 1298736), (12, 1082280), (15, 865824), (16, 811710), (18, 721520), (20, 649368), (24, 541140), (29, 447840), (30, 432912), (32, 405855), (36, 360760), (40, 324684), (45, 288608), (48, 270570), (58, 223920), (60, 216456), (72, 180380), (80, 162342), (87, 149280), (90, 144304), (96, 135285), (116, 111960), (120, 108228), (144, 90190), (145, 89568), (160, 81171), (174, 74640), (180, 72152), (232, 55980), (240, 54114), (261, 49760), (288, 45095), (290, 44784), (311, 41760), (348, 37320), (360, 36076), (435, 29856), (464, 27990), (480, 27057), (522, 24880), (580, 22392), (622, 20880), (696, 18660), (720, 18038), (870, 14928), (928, 13995), (933, 13920), (1044, 12440), (1160, 11196), (1244, 10440), (1305, 9952), (1392, 9330), (1440, 9019), (1555, 8352), (1740, 7464), (1866, 6960), (2088, 6220), (2320, 5598), (2488, 5220), (2610, 4976), (2784, 4665), (2799, 4640), (3110, 4176), (3480, 3732)]