1640264280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{290827}}^1$

素因数の和:290888

約数の個数: 64

約数和(自身を含む): 5025507840

約数和(自身を除く): 3385243560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 290827, 581654, 872481, 1163308, 1454135, 1744962, 2326616, 2908270, 3489924, 4362405, 5816540, 6979848, 8724810, 11633080, 13668869, 17449620, 27337738, 34899240, 41006607, 54675476, 68344345, 82013214, 109350952, 136688690, 164026428, 205033035, 273377380, 328052856, 410066070, 546754760, 820132140, 1640264280]

約数ペア:

[(1, 1640264280), (2, 820132140), (3, 546754760), (4, 410066070), (5, 328052856), (6, 273377380), (8, 205033035), (10, 164026428), (12, 136688690), (15, 109350952), (20, 82013214), (24, 68344345), (30, 54675476), (40, 41006607), (47, 34899240), (60, 27337738), (94, 17449620), (120, 13668869), (141, 11633080), (188, 8724810), (235, 6979848), (282, 5816540), (376, 4362405), (470, 3489924), (564, 2908270), (705, 2326616), (940, 1744962), (1128, 1454135), (1410, 1163308), (1880, 872481), (2820, 581654), (5640, 290827)]