666672

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 1964160

約数和(自身を除く): 1297488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 43, 48, 51, 57, 68, 76, 86, 102, 114, 129, 136, 152, 172, 204, 228, 258, 272, 304, 323, 344, 408, 456, 516, 646, 688, 731, 816, 817, 912, 969, 1032, 1292, 1462, 1634, 1938, 2064, 2193, 2451, 2584, 2924, 3268, 3876, 4386, 4902, 5168, 5848, 6536, 7752, 8772, 9804, 11696, 13072, 13889, 15504, 17544, 19608, 27778, 35088, 39216, 41667, 55556, 83334, 111112, 166668, 222224, 333336, 666672]

約数ペア:

[(1, 666672), (2, 333336), (3, 222224), (4, 166668), (6, 111112), (8, 83334), (12, 55556), (16, 41667), (17, 39216), (19, 35088), (24, 27778), (34, 19608), (38, 17544), (43, 15504), (48, 13889), (51, 13072), (57, 11696), (68, 9804), (76, 8772), (86, 7752), (102, 6536), (114, 5848), (129, 5168), (136, 4902), (152, 4386), (172, 3876), (204, 3268), (228, 2924), (258, 2584), (272, 2451), (304, 2193), (323, 2064), (344, 1938), (408, 1634), (456, 1462), (516, 1292), (646, 1032), (688, 969), (731, 912), (816, 817)]