642881112

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 1808179200

約数和(自身を除く): 1165298088

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 127, 136, 152, 204, 228, 254, 323, 381, 408, 456, 508, 646, 653, 762, 969, 1016, 1292, 1306, 1524, 1938, 1959, 2159, 2413, 2584, 2612, 3048, 3876, 3918, 4318, 4826, 5224, 6477, 7239, 7752, 7836, 8636, 9652, 11101, 12407, 12954, 14478, 15672, 17272, 19304, 22202, 24814, 25908, 28956, 33303, 37221, 41021, 44404, 49628, 51816, 57912, 66606, 74442, 82042, 82931, 88808, 99256, 123063, 133212, 148884, 164084, 165862, 210919, 246126, 248793, 266424, 297768, 328168, 331724, 421838, 492252, 497586, 632757, 663448, 843676, 984504, 995172, 1265514, 1409827, 1575689, 1687352, 1990344, 2531028, 2819654, 3151378, 4229481, 4727067, 5062056, 5639308, 6302756, 8458962, 9454134, 11278616, 12605512, 16917924, 18908268, 26786713, 33835848, 37816536, 53573426, 80360139, 107146852, 160720278, 214293704, 321440556, 642881112]

約数ペア:

[(1, 642881112), (2, 321440556), (3, 214293704), (4, 160720278), (6, 107146852), (8, 80360139), (12, 53573426), (17, 37816536), (19, 33835848), (24, 26786713), (34, 18908268), (38, 16917924), (51, 12605512), (57, 11278616), (68, 9454134), (76, 8458962), (102, 6302756), (114, 5639308), (127, 5062056), (136, 4727067), (152, 4229481), (204, 3151378), (228, 2819654), (254, 2531028), (323, 1990344), (381, 1687352), (408, 1575689), (456, 1409827), (508, 1265514), (646, 995172), (653, 984504), (762, 843676), (969, 663448), (1016, 632757), (1292, 497586), (1306, 492252), (1524, 421838), (1938, 331724), (1959, 328168), (2159, 297768), (2413, 266424), (2584, 248793), (2612, 246126), (3048, 210919), (3876, 165862), (3918, 164084), (4318, 148884), (4826, 133212), (5224, 123063), (6477, 99256), (7239, 88808), (7752, 82931), (7836, 82042), (8636, 74442), (9652, 66606), (11101, 57912), (12407, 51816), (12954, 49628), (14478, 44404), (15672, 41021), (17272, 37221), (19304, 33303), (22202, 28956), (24814, 25908)]