78821760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 128

約数和(自身を含む): 255742560

約数和(自身を除く): 176920800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 305, 320, 366, 384, 480, 488, 610, 640, 673, 732, 915, 960, 976, 1220, 1346, 1464, 1830, 1920, 1952, 2019, 2440, 2692, 2928, 3365, 3660, 3904, 4038, 4880, 5384, 5856, 6730, 7320, 7808, 8076, 9760, 10095, 10768, 11712, 13460, 14640, 16152, 19520, 20190, 21536, 23424, 26920, 29280, 32304, 39040, 40380, 41053, 43072, 53840, 58560, 64608, 80760, 82106, 86144, 107680, 117120, 123159, 129216, 161520, 164212, 205265, 215360, 246318, 258432, 323040, 328424, 410530, 430720, 492636, 615795, 646080, 656848, 821060, 985272, 1231590, 1292160, 1313696, 1642120, 1970544, 2463180, 2627392, 3284240, 3941088, 4926360, 5254784, 6568480, 7882176, 9852720, 13136960, 15764352, 19705440, 26273920, 39410880, 78821760]

約数ペア:

[(1, 78821760), (2, 39410880), (3, 26273920), (4, 19705440), (5, 15764352), (6, 13136960), (8, 9852720), (10, 7882176), (12, 6568480), (15, 5254784), (16, 4926360), (20, 3941088), (24, 3284240), (30, 2627392), (32, 2463180), (40, 1970544), (48, 1642120), (60, 1313696), (61, 1292160), (64, 1231590), (80, 985272), (96, 821060), (120, 656848), (122, 646080), (128, 615795), (160, 492636), (183, 430720), (192, 410530), (240, 328424), (244, 323040), (305, 258432), (320, 246318), (366, 215360), (384, 205265), (480, 164212), (488, 161520), (610, 129216), (640, 123159), (673, 117120), (732, 107680), (915, 86144), (960, 82106), (976, 80760), (1220, 64608), (1346, 58560), (1464, 53840), (1830, 43072), (1920, 41053), (1952, 40380), (2019, 39040), (2440, 32304), (2692, 29280), (2928, 26920), (3365, 23424), (3660, 21536), (3904, 20190), (4038, 19520), (4880, 16152), (5384, 14640), (5856, 13460), (6730, 11712), (7320, 10768), (7808, 10095), (8076, 9760)]