680652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 2047136

約数和(自身を除く): 1366484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 73, 74, 84, 111, 126, 146, 148, 219, 222, 252, 259, 292, 333, 438, 444, 511, 518, 657, 666, 777, 876, 1022, 1036, 1314, 1332, 1533, 1554, 2044, 2331, 2628, 2701, 3066, 3108, 4599, 4662, 5402, 6132, 8103, 9198, 9324, 10804, 16206, 18396, 18907, 24309, 32412, 37814, 48618, 56721, 75628, 97236, 113442, 170163, 226884, 340326, 680652]

約数ペア:

[(1, 680652), (2, 340326), (3, 226884), (4, 170163), (6, 113442), (7, 97236), (9, 75628), (12, 56721), (14, 48618), (18, 37814), (21, 32412), (28, 24309), (36, 18907), (37, 18396), (42, 16206), (63, 10804), (73, 9324), (74, 9198), (84, 8103), (111, 6132), (126, 5402), (146, 4662), (148, 4599), (219, 3108), (222, 3066), (252, 2701), (259, 2628), (292, 2331), (333, 2044), (438, 1554), (444, 1533), (511, 1332), (518, 1314), (657, 1036), (666, 1022), (777, 876)]