1640852940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{882179}}^1$

素因数の和:882222

約数の個数: 48

約数和(自身を含む): 4742599680

約数和(自身を除く): 3101746740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 882179, 1764358, 2646537, 3528716, 4410895, 5293074, 8821790, 10586148, 13232685, 17643580, 26465370, 27347549, 52930740, 54695098, 82042647, 109390196, 136737745, 164085294, 273475490, 328170588, 410213235, 546950980, 820426470, 1640852940]

約数ペア:

[(1, 1640852940), (2, 820426470), (3, 546950980), (4, 410213235), (5, 328170588), (6, 273475490), (10, 164085294), (12, 136737745), (15, 109390196), (20, 82042647), (30, 54695098), (31, 52930740), (60, 27347549), (62, 26465370), (93, 17643580), (124, 13232685), (155, 10586148), (186, 8821790), (310, 5293074), (372, 4410895), (465, 3528716), (620, 2646537), (930, 1764358), (1860, 882179)]