181061868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 498462720

約数和(自身を除く): 317400852

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 127, 148, 156, 169, 222, 228, 247, 254, 338, 381, 444, 481, 494, 507, 508, 676, 703, 741, 762, 962, 988, 1014, 1406, 1443, 1482, 1524, 1651, 1924, 2028, 2109, 2413, 2812, 2886, 2964, 3211, 3302, 4218, 4699, 4826, 4953, 5772, 6253, 6422, 6604, 7239, 8436, 9139, 9398, 9633, 9652, 9906, 12506, 12844, 14097, 14478, 18278, 18759, 18796, 19266, 19812, 21463, 25012, 27417, 28194, 28956, 31369, 36556, 37518, 38532, 42926, 54834, 56388, 61087, 62738, 64389, 75036, 85852, 89281, 94107, 109668, 118807, 122174, 125476, 128778, 178562, 183261, 188214, 237614, 244348, 257556, 267843, 356421, 357124, 366522, 376428, 407797, 475228, 535686, 712842, 733044, 794131, 815594, 1071372, 1160653, 1223391, 1425684, 1588262, 1631188, 2321306, 2382393, 2446782, 3176524, 3481959, 4642612, 4764786, 4893564, 6963918, 9529572, 13927836, 15088489, 30176978, 45265467, 60353956, 90530934, 181061868]

約数ペア:

[(1, 181061868), (2, 90530934), (3, 60353956), (4, 45265467), (6, 30176978), (12, 15088489), (13, 13927836), (19, 9529572), (26, 6963918), (37, 4893564), (38, 4764786), (39, 4642612), (52, 3481959), (57, 3176524), (74, 2446782), (76, 2382393), (78, 2321306), (111, 1631188), (114, 1588262), (127, 1425684), (148, 1223391), (156, 1160653), (169, 1071372), (222, 815594), (228, 794131), (247, 733044), (254, 712842), (338, 535686), (381, 475228), (444, 407797), (481, 376428), (494, 366522), (507, 357124), (508, 356421), (676, 267843), (703, 257556), (741, 244348), (762, 237614), (962, 188214), (988, 183261), (1014, 178562), (1406, 128778), (1443, 125476), (1482, 122174), (1524, 118807), (1651, 109668), (1924, 94107), (2028, 89281), (2109, 85852), (2413, 75036), (2812, 64389), (2886, 62738), (2964, 61087), (3211, 56388), (3302, 54834), (4218, 42926), (4699, 38532), (4826, 37518), (4953, 36556), (5772, 31369), (6253, 28956), (6422, 28194), (6604, 27417), (7239, 25012), (8436, 21463), (9139, 19812), (9398, 19266), (9633, 18796), (9652, 18759), (9906, 18278), (12506, 14478), (12844, 14097)]