1928069720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{15307}}^1$

素因数の和:15432

約数の個数: 64

約数和(自身を含む): 4496878080

約数和(自身を除く): 2568808360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 134, 188, 235, 268, 335, 376, 470, 536, 670, 940, 1340, 1880, 2680, 3149, 6298, 12596, 15307, 15745, 25192, 30614, 31490, 61228, 62980, 76535, 122456, 125960, 153070, 306140, 612280, 719429, 1025569, 1438858, 2051138, 2877716, 3597145, 4102276, 5127845, 5755432, 7194290, 8204552, 10255690, 14388580, 20511380, 28777160, 41022760, 48201743, 96403486, 192806972, 241008715, 385613944, 482017430, 964034860, 1928069720]

約数ペア:

[(1, 1928069720), (2, 964034860), (4, 482017430), (5, 385613944), (8, 241008715), (10, 192806972), (20, 96403486), (40, 48201743), (47, 41022760), (67, 28777160), (94, 20511380), (134, 14388580), (188, 10255690), (235, 8204552), (268, 7194290), (335, 5755432), (376, 5127845), (470, 4102276), (536, 3597145), (670, 2877716), (940, 2051138), (1340, 1438858), (1880, 1025569), (2680, 719429), (3149, 612280), (6298, 306140), (12596, 153070), (15307, 125960), (15745, 122456), (25192, 76535), (30614, 62980), (31490, 61228)]