1640596860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1302061}}^1$

素因数の和:1302083

約数の個数: 72

約数和(自身を含む): 5687406816

約数和(自身を除く): 4046809956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1302061, 2604122, 3906183, 5208244, 6510305, 7812366, 9114427, 11718549, 13020610, 15624732, 18228854, 19530915, 23437098, 26041220, 27343281, 36457708, 39061830, 45572135, 46874196, 54686562, 58592745, 78123660, 82029843, 91144270, 109373124, 117185490, 136716405, 164059686, 182288540, 234370980, 273432810, 328119372, 410149215, 546865620, 820298430, 1640596860]

約数ペア:

[(1, 1640596860), (2, 820298430), (3, 546865620), (4, 410149215), (5, 328119372), (6, 273432810), (7, 234370980), (9, 182288540), (10, 164059686), (12, 136716405), (14, 117185490), (15, 109373124), (18, 91144270), (20, 82029843), (21, 78123660), (28, 58592745), (30, 54686562), (35, 46874196), (36, 45572135), (42, 39061830), (45, 36457708), (60, 27343281), (63, 26041220), (70, 23437098), (84, 19530915), (90, 18228854), (105, 15624732), (126, 13020610), (140, 11718549), (180, 9114427), (210, 7812366), (252, 6510305), (315, 5208244), (420, 3906183), (630, 2604122), (1260, 1302061)]