251566680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1129

約数の個数: 128

約数和(自身を含む): 806215680

約数和(自身を除く): 554649000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 127, 136, 170, 204, 254, 255, 340, 381, 408, 508, 510, 635, 680, 762, 971, 1016, 1020, 1270, 1524, 1905, 1942, 2040, 2159, 2540, 2913, 3048, 3810, 3884, 4318, 4855, 5080, 5826, 6477, 7620, 7768, 8636, 9710, 10795, 11652, 12954, 14565, 15240, 16507, 17272, 19420, 21590, 23304, 25908, 29130, 32385, 33014, 38840, 43180, 49521, 51816, 58260, 64770, 66028, 82535, 86360, 99042, 116520, 123317, 129540, 132056, 165070, 198084, 246634, 247605, 259080, 330140, 369951, 396168, 493268, 495210, 616585, 660280, 739902, 986536, 990420, 1233170, 1479804, 1849755, 1980840, 2096389, 2466340, 2959608, 3699510, 4192778, 4932680, 6289167, 7399020, 8385556, 10481945, 12578334, 14798040, 16771112, 20963890, 25156668, 31445835, 41927780, 50313336, 62891670, 83855560, 125783340, 251566680]

約数ペア:

[(1, 251566680), (2, 125783340), (3, 83855560), (4, 62891670), (5, 50313336), (6, 41927780), (8, 31445835), (10, 25156668), (12, 20963890), (15, 16771112), (17, 14798040), (20, 12578334), (24, 10481945), (30, 8385556), (34, 7399020), (40, 6289167), (51, 4932680), (60, 4192778), (68, 3699510), (85, 2959608), (102, 2466340), (120, 2096389), (127, 1980840), (136, 1849755), (170, 1479804), (204, 1233170), (254, 990420), (255, 986536), (340, 739902), (381, 660280), (408, 616585), (508, 495210), (510, 493268), (635, 396168), (680, 369951), (762, 330140), (971, 259080), (1016, 247605), (1020, 246634), (1270, 198084), (1524, 165070), (1905, 132056), (1942, 129540), (2040, 123317), (2159, 116520), (2540, 99042), (2913, 86360), (3048, 82535), (3810, 66028), (3884, 64770), (4318, 58260), (4855, 51816), (5080, 49521), (5826, 43180), (6477, 38840), (7620, 33014), (7768, 32385), (8636, 29130), (9710, 25908), (10795, 23304), (11652, 21590), (12954, 19420), (14565, 17272), (15240, 16507)]