28129560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13789}}^1$

素因数の和:13820

約数の個数: 64

約数和(自身を含む): 89359200

約数和(自身を除く): 61229640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13789, 27578, 41367, 55156, 68945, 82734, 110312, 137890, 165468, 206835, 234413, 275780, 330936, 413670, 468826, 551560, 703239, 827340, 937652, 1172065, 1406478, 1654680, 1875304, 2344130, 2812956, 3516195, 4688260, 5625912, 7032390, 9376520, 14064780, 28129560]

約数ペア:

[(1, 28129560), (2, 14064780), (3, 9376520), (4, 7032390), (5, 5625912), (6, 4688260), (8, 3516195), (10, 2812956), (12, 2344130), (15, 1875304), (17, 1654680), (20, 1406478), (24, 1172065), (30, 937652), (34, 827340), (40, 703239), (51, 551560), (60, 468826), (68, 413670), (85, 330936), (102, 275780), (120, 234413), (136, 206835), (170, 165468), (204, 137890), (255, 110312), (340, 82734), (408, 68945), (510, 55156), (680, 41367), (1020, 27578), (2040, 13789)]