72646980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172969}}^1$

素因数の和:172988

約数の個数: 48

約数和(自身を含む): 232471680

約数和(自身を除く): 159824700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172969, 345938, 518907, 691876, 864845, 1037814, 1210783, 1729690, 2075628, 2421566, 2594535, 3459380, 3632349, 4843132, 5189070, 6053915, 7264698, 10378140, 12107830, 14529396, 18161745, 24215660, 36323490, 72646980]

約数ペア:

[(1, 72646980), (2, 36323490), (3, 24215660), (4, 18161745), (5, 14529396), (6, 12107830), (7, 10378140), (10, 7264698), (12, 6053915), (14, 5189070), (15, 4843132), (20, 3632349), (21, 3459380), (28, 2594535), (30, 2421566), (35, 2075628), (42, 1729690), (60, 1210783), (70, 1037814), (84, 864845), (105, 691876), (140, 518907), (210, 345938), (420, 172969)]