28520280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:593

約数の個数: 96

約数和(自身を含む): 93366000

約数和(自身を除く): 64845720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 349, 360, 454, 681, 698, 908, 1047, 1135, 1362, 1396, 1745, 1816, 2043, 2094, 2270, 2724, 2792, 3141, 3405, 3490, 4086, 4188, 4540, 5235, 5448, 6282, 6810, 6980, 8172, 8376, 9080, 10215, 10470, 12564, 13620, 13960, 15705, 16344, 20430, 20940, 25128, 27240, 31410, 40860, 41880, 62820, 79223, 81720, 125640, 158446, 237669, 316892, 396115, 475338, 633784, 713007, 792230, 950676, 1188345, 1426014, 1584460, 1901352, 2376690, 2852028, 3168920, 3565035, 4753380, 5704056, 7130070, 9506760, 14260140, 28520280]

約数ペア:

[(1, 28520280), (2, 14260140), (3, 9506760), (4, 7130070), (5, 5704056), (6, 4753380), (8, 3565035), (9, 3168920), (10, 2852028), (12, 2376690), (15, 1901352), (18, 1584460), (20, 1426014), (24, 1188345), (30, 950676), (36, 792230), (40, 713007), (45, 633784), (60, 475338), (72, 396115), (90, 316892), (120, 237669), (180, 158446), (227, 125640), (349, 81720), (360, 79223), (454, 62820), (681, 41880), (698, 40860), (908, 31410), (1047, 27240), (1135, 25128), (1362, 20940), (1396, 20430), (1745, 16344), (1816, 15705), (2043, 13960), (2094, 13620), (2270, 12564), (2724, 10470), (2792, 10215), (3141, 9080), (3405, 8376), (3490, 8172), (4086, 6980), (4188, 6810), (4540, 6282), (5235, 5448)]