15620920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 25436360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1187, 1316, 1645, 1880, 2374, 2632, 3290, 4748, 5935, 6580, 8309, 9496, 11870, 13160, 16618, 23740, 33236, 41545, 47480, 55789, 66472, 83090, 111578, 166180, 223156, 278945, 332360, 390523, 446312, 557890, 781046, 1115780, 1562092, 1952615, 2231560, 3124184, 3905230, 7810460, 15620920]

約数ペア:

[(1, 15620920), (2, 7810460), (4, 3905230), (5, 3124184), (7, 2231560), (8, 1952615), (10, 1562092), (14, 1115780), (20, 781046), (28, 557890), (35, 446312), (40, 390523), (47, 332360), (56, 278945), (70, 223156), (94, 166180), (140, 111578), (188, 83090), (235, 66472), (280, 55789), (329, 47480), (376, 41545), (470, 33236), (658, 23740), (940, 16618), (1187, 13160), (1316, 11870), (1645, 9496), (1880, 8309), (2374, 6580), (2632, 5935), (3290, 4748)]