540420720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{321679}}^1$

素因数の和:321702

約数の個数: 80

約数和(自身を含む): 1914639360

約数和(自身を除く): 1374218640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 321679, 643358, 965037, 1286716, 1608395, 1930074, 2251753, 2573432, 3216790, 3860148, 4503506, 4825185, 5146864, 6433580, 6755259, 7720296, 9007012, 9650370, 11258765, 12867160, 13510518, 15440592, 18014024, 19300740, 22517530, 25734320, 27021036, 33776295, 36028048, 38601480, 45035060, 54042072, 67552590, 77202960, 90070120, 108084144, 135105180, 180140240, 270210360, 540420720]

約数ペア:

[(1, 540420720), (2, 270210360), (3, 180140240), (4, 135105180), (5, 108084144), (6, 90070120), (7, 77202960), (8, 67552590), (10, 54042072), (12, 45035060), (14, 38601480), (15, 36028048), (16, 33776295), (20, 27021036), (21, 25734320), (24, 22517530), (28, 19300740), (30, 18014024), (35, 15440592), (40, 13510518), (42, 12867160), (48, 11258765), (56, 9650370), (60, 9007012), (70, 7720296), (80, 6755259), (84, 6433580), (105, 5146864), (112, 4825185), (120, 4503506), (140, 3860148), (168, 3216790), (210, 2573432), (240, 2251753), (280, 1930074), (336, 1608395), (420, 1286716), (560, 965037), (840, 643358), (1680, 321679)]