128254140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101789}}^1$

素因数の和:101811

約数の個数: 72

約数和(自身を含む): 444618720

約数和(自身を除く): 316364580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 101789, 203578, 305367, 407156, 508945, 610734, 712523, 916101, 1017890, 1221468, 1425046, 1526835, 1832202, 2035780, 2137569, 2850092, 3053670, 3562615, 3664404, 4275138, 4580505, 6107340, 6412707, 7125230, 8550276, 9161010, 10687845, 12825414, 14250460, 18322020, 21375690, 25650828, 32063535, 42751380, 64127070, 128254140]

約数ペア:

[(1, 128254140), (2, 64127070), (3, 42751380), (4, 32063535), (5, 25650828), (6, 21375690), (7, 18322020), (9, 14250460), (10, 12825414), (12, 10687845), (14, 9161010), (15, 8550276), (18, 7125230), (20, 6412707), (21, 6107340), (28, 4580505), (30, 4275138), (35, 3664404), (36, 3562615), (42, 3053670), (45, 2850092), (60, 2137569), (63, 2035780), (70, 1832202), (84, 1526835), (90, 1425046), (105, 1221468), (126, 1017890), (140, 916101), (180, 712523), (210, 610734), (252, 508945), (315, 407156), (420, 305367), (630, 203578), (1260, 101789)]