28470120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33893}}^1$

素因数の和:33914

約数の個数: 64

約数和(自身を含む): 97614720

約数和(自身を除く): 69144600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33893, 67786, 101679, 135572, 169465, 203358, 237251, 271144, 338930, 406716, 474502, 508395, 677860, 711753, 813432, 949004, 1016790, 1186255, 1355720, 1423506, 1898008, 2033580, 2372510, 2847012, 3558765, 4067160, 4745020, 5694024, 7117530, 9490040, 14235060, 28470120]

約数ペア:

[(1, 28470120), (2, 14235060), (3, 9490040), (4, 7117530), (5, 5694024), (6, 4745020), (7, 4067160), (8, 3558765), (10, 2847012), (12, 2372510), (14, 2033580), (15, 1898008), (20, 1423506), (21, 1355720), (24, 1186255), (28, 1016790), (30, 949004), (35, 813432), (40, 711753), (42, 677860), (56, 508395), (60, 474502), (70, 406716), (84, 338930), (105, 271144), (120, 237251), (140, 203358), (168, 169465), (210, 135572), (280, 101679), (420, 67786), (840, 33893)]