78850020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27961}}^1$

素因数の和:28020

約数の個数: 48

約数和(自身を含む): 225485568

約数和(自身を除く): 146635548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 27961, 55922, 83883, 111844, 139805, 167766, 279610, 335532, 419415, 559220, 838830, 1314167, 1677660, 2628334, 3942501, 5256668, 6570835, 7885002, 13141670, 15770004, 19712505, 26283340, 39425010, 78850020]

約数ペア:

[(1, 78850020), (2, 39425010), (3, 26283340), (4, 19712505), (5, 15770004), (6, 13141670), (10, 7885002), (12, 6570835), (15, 5256668), (20, 3942501), (30, 2628334), (47, 1677660), (60, 1314167), (94, 838830), (141, 559220), (188, 419415), (235, 335532), (282, 279610), (470, 167766), (564, 139805), (705, 111844), (940, 83883), (1410, 55922), (2820, 27961)]