278657760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:417

約数の個数: 192

約数和(自身を含む): 923940864

約数和(自身を除く): 645283104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 80, 93, 96, 120, 122, 124, 155, 160, 183, 186, 240, 244, 248, 305, 307, 310, 366, 372, 465, 480, 488, 496, 610, 614, 620, 732, 744, 915, 921, 930, 976, 992, 1220, 1228, 1240, 1464, 1488, 1535, 1830, 1842, 1860, 1891, 1952, 2440, 2456, 2480, 2928, 2976, 3070, 3660, 3684, 3720, 3782, 4605, 4880, 4912, 4960, 5673, 5856, 6140, 7320, 7368, 7440, 7564, 9210, 9455, 9517, 9760, 9824, 11346, 12280, 14640, 14736, 14880, 15128, 18420, 18727, 18910, 19034, 22692, 24560, 28365, 28551, 29280, 29472, 30256, 36840, 37454, 37820, 38068, 45384, 47585, 49120, 56181, 56730, 57102, 60512, 73680, 74908, 75640, 76136, 90768, 93635, 95170, 112362, 113460, 114204, 142755, 147360, 149816, 151280, 152272, 181536, 187270, 190340, 224724, 226920, 228408, 280905, 285510, 299632, 302560, 304544, 374540, 380680, 449448, 453840, 456816, 561810, 571020, 580537, 599264, 749080, 761360, 898896, 907680, 913632, 1123620, 1142040, 1161074, 1498160, 1522720, 1741611, 1797792, 2247240, 2284080, 2322148, 2902685, 2996320, 3483222, 4494480, 4568160, 4644296, 5805370, 6966444, 8708055, 8988960, 9288592, 11610740, 13932888, 17416110, 18577184, 23221480, 27865776, 34832220, 46442960, 55731552, 69664440, 92885920, 139328880, 278657760]

約数ペア:

[(1, 278657760), (2, 139328880), (3, 92885920), (4, 69664440), (5, 55731552), (6, 46442960), (8, 34832220), (10, 27865776), (12, 23221480), (15, 18577184), (16, 17416110), (20, 13932888), (24, 11610740), (30, 9288592), (31, 8988960), (32, 8708055), (40, 6966444), (48, 5805370), (60, 4644296), (61, 4568160), (62, 4494480), (80, 3483222), (93, 2996320), (96, 2902685), (120, 2322148), (122, 2284080), (124, 2247240), (155, 1797792), (160, 1741611), (183, 1522720), (186, 1498160), (240, 1161074), (244, 1142040), (248, 1123620), (305, 913632), (307, 907680), (310, 898896), (366, 761360), (372, 749080), (465, 599264), (480, 580537), (488, 571020), (496, 561810), (610, 456816), (614, 453840), (620, 449448), (732, 380680), (744, 374540), (915, 304544), (921, 302560), (930, 299632), (976, 285510), (992, 280905), (1220, 228408), (1228, 226920), (1240, 224724), (1464, 190340), (1488, 187270), (1535, 181536), (1830, 152272), (1842, 151280), (1860, 149816), (1891, 147360), (1952, 142755), (2440, 114204), (2456, 113460), (2480, 112362), (2928, 95170), (2976, 93635), (3070, 90768), (3660, 76136), (3684, 75640), (3720, 74908), (3782, 73680), (4605, 60512), (4880, 57102), (4912, 56730), (4960, 56181), (5673, 49120), (5856, 47585), (6140, 45384), (7320, 38068), (7368, 37820), (7440, 37454), (7564, 36840), (9210, 30256), (9455, 29472), (9517, 29280), (9760, 28551), (9824, 28365), (11346, 24560), (12280, 22692), (14640, 19034), (14736, 18910), (14880, 18727), (15128, 18420)]