18395280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:929

約数の個数: 120

約数和(自身を含む): 63980280

約数和(自身を除く): 45585000

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, 881, 1044, 1160, 1305, 1392, 1740, 1762, 2088, 2320, 2610, 2643, 3480, 3524, 4176, 4405, 5220, 5286, 6960, 7048, 7929, 8810, 10440, 10572, 13215, 14096, 15858, 17620, 20880, 21144, 25549, 26430, 31716, 35240, 39645, 42288, 51098, 52860, 63432, 70480, 76647, 79290, 102196, 105720, 126864, 127745, 153294, 158580, 204392, 211440, 229941, 255490, 306588, 317160, 383235, 408784, 459882, 510980, 613176, 634320, 766470, 919764, 1021960, 1149705, 1226352, 1532940, 1839528, 2043920, 2299410, 3065880, 3679056, 4598820, 6131760, 9197640, 18395280]

約数ペア:

[(1, 18395280), (2, 9197640), (3, 6131760), (4, 4598820), (5, 3679056), (6, 3065880), (8, 2299410), (9, 2043920), (10, 1839528), (12, 1532940), (15, 1226352), (16, 1149705), (18, 1021960), (20, 919764), (24, 766470), (29, 634320), (30, 613176), (36, 510980), (40, 459882), (45, 408784), (48, 383235), (58, 317160), (60, 306588), (72, 255490), (80, 229941), (87, 211440), (90, 204392), (116, 158580), (120, 153294), (144, 127745), (145, 126864), (174, 105720), (180, 102196), (232, 79290), (240, 76647), (261, 70480), (290, 63432), (348, 52860), (360, 51098), (435, 42288), (464, 39645), (522, 35240), (580, 31716), (696, 26430), (720, 25549), (870, 21144), (881, 20880), (1044, 17620), (1160, 15858), (1305, 14096), (1392, 13215), (1740, 10572), (1762, 10440), (2088, 8810), (2320, 7929), (2610, 7048), (2643, 6960), (3480, 5286), (3524, 5220), (4176, 4405)]