128681532

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{907}}^1$

素因数の和:1487

約数の個数: 72

約数和(自身を含む): 372817536

約数和(自身を除く): 244136004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 563, 907, 1126, 1689, 1814, 2252, 2721, 3378, 3628, 3941, 5067, 5442, 6349, 6756, 7882, 8163, 10134, 10884, 11823, 12698, 15764, 16326, 19047, 20268, 23646, 25396, 32652, 35469, 38094, 47292, 57141, 70938, 76188, 114282, 141876, 228564, 510641, 1021282, 1531923, 2042564, 3063846, 3574487, 4595769, 6127692, 7148974, 9191538, 10723461, 14297948, 18383076, 21446922, 32170383, 42893844, 64340766, 128681532]

約数ペア:

[(1, 128681532), (2, 64340766), (3, 42893844), (4, 32170383), (6, 21446922), (7, 18383076), (9, 14297948), (12, 10723461), (14, 9191538), (18, 7148974), (21, 6127692), (28, 4595769), (36, 3574487), (42, 3063846), (63, 2042564), (84, 1531923), (126, 1021282), (252, 510641), (563, 228564), (907, 141876), (1126, 114282), (1689, 76188), (1814, 70938), (2252, 57141), (2721, 47292), (3378, 38094), (3628, 35469), (3941, 32652), (5067, 25396), (5442, 23646), (6349, 20268), (6756, 19047), (7882, 16326), (8163, 15764), (10134, 12698), (10884, 11823)]