561015720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{499}}^1$

素因数の和:869

約数の個数: 160

約数和(自身を含む): 1894860000

約数和(自身を除く): 1333844280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 347, 360, 405, 499, 540, 648, 694, 810, 998, 1041, 1080, 1388, 1497, 1620, 1735, 1996, 2082, 2495, 2776, 2994, 3123, 3240, 3470, 3992, 4164, 4491, 4990, 5205, 5988, 6246, 6940, 7485, 8328, 8982, 9369, 9980, 10410, 11976, 12492, 13473, 13880, 14970, 15615, 17964, 18738, 19960, 20820, 22455, 24984, 26946, 28107, 29940, 31230, 35928, 37476, 40419, 41640, 44910, 46845, 53892, 56214, 59880, 62460, 67365, 74952, 80838, 89820, 93690, 107784, 112428, 124920, 134730, 140535, 161676, 173153, 179640, 187380, 202095, 224856, 269460, 281070, 323352, 346306, 374760, 404190, 519459, 538920, 562140, 692612, 808380, 865765, 1038918, 1124280, 1385224, 1558377, 1616760, 1731530, 2077836, 2597295, 3116754, 3463060, 4155672, 4675131, 5194590, 6233508, 6926120, 7791885, 9350262, 10389180, 12467016, 14025393, 15583770, 18700524, 20778360, 23375655, 28050786, 31167540, 37401048, 46751310, 56101572, 62335080, 70126965, 93502620, 112203144, 140253930, 187005240, 280507860, 561015720]

約数ペア:

[(1, 561015720), (2, 280507860), (3, 187005240), (4, 140253930), (5, 112203144), (6, 93502620), (8, 70126965), (9, 62335080), (10, 56101572), (12, 46751310), (15, 37401048), (18, 31167540), (20, 28050786), (24, 23375655), (27, 20778360), (30, 18700524), (36, 15583770), (40, 14025393), (45, 12467016), (54, 10389180), (60, 9350262), (72, 7791885), (81, 6926120), (90, 6233508), (108, 5194590), (120, 4675131), (135, 4155672), (162, 3463060), (180, 3116754), (216, 2597295), (270, 2077836), (324, 1731530), (347, 1616760), (360, 1558377), (405, 1385224), (499, 1124280), (540, 1038918), (648, 865765), (694, 808380), (810, 692612), (998, 562140), (1041, 538920), (1080, 519459), (1388, 404190), (1497, 374760), (1620, 346306), (1735, 323352), (1996, 281070), (2082, 269460), (2495, 224856), (2776, 202095), (2994, 187380), (3123, 179640), (3240, 173153), (3470, 161676), (3992, 140535), (4164, 134730), (4491, 124920), (4990, 112428), (5205, 107784), (5988, 93690), (6246, 89820), (6940, 80838), (7485, 74952), (8328, 67365), (8982, 62460), (9369, 59880), (9980, 56214), (10410, 53892), (11976, 46845), (12492, 44910), (13473, 41640), (13880, 40419), (14970, 37476), (15615, 35928), (17964, 31230), (18738, 29940), (19960, 28107), (20820, 26946), (22455, 24984)]