254244480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18917}}^1$

素因数の和:18946

約数の個数: 128

約数和(自身を含む): 926225280

約数和(自身を除く): 671980800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18917, 37834, 56751, 75668, 94585, 113502, 132419, 151336, 189170, 227004, 264838, 283755, 302672, 378340, 397257, 454008, 529676, 567510, 605344, 662095, 756680, 794514, 908016, 1059352, 1135020, 1210688, 1324190, 1513360, 1589028, 1816032, 1986285, 2118704, 2270040, 2421376, 2648380, 3026720, 3178056, 3632064, 3972570, 4237408, 4540080, 5296760, 6053440, 6356112, 7264128, 7945140, 8474816, 9080160, 10593520, 12106880, 12712224, 15890280, 16949632, 18160320, 21187040, 25424448, 31780560, 36320640, 42374080, 50848896, 63561120, 84748160, 127122240, 254244480]

約数ペア:

[(1, 254244480), (2, 127122240), (3, 84748160), (4, 63561120), (5, 50848896), (6, 42374080), (7, 36320640), (8, 31780560), (10, 25424448), (12, 21187040), (14, 18160320), (15, 16949632), (16, 15890280), (20, 12712224), (21, 12106880), (24, 10593520), (28, 9080160), (30, 8474816), (32, 7945140), (35, 7264128), (40, 6356112), (42, 6053440), (48, 5296760), (56, 4540080), (60, 4237408), (64, 3972570), (70, 3632064), (80, 3178056), (84, 3026720), (96, 2648380), (105, 2421376), (112, 2270040), (120, 2118704), (128, 1986285), (140, 1816032), (160, 1589028), (168, 1513360), (192, 1324190), (210, 1210688), (224, 1135020), (240, 1059352), (280, 908016), (320, 794514), (336, 756680), (384, 662095), (420, 605344), (448, 567510), (480, 529676), (560, 454008), (640, 397257), (672, 378340), (840, 302672), (896, 283755), (960, 264838), (1120, 227004), (1344, 189170), (1680, 151336), (1920, 132419), (2240, 113502), (2688, 94585), (3360, 75668), (4480, 56751), (6720, 37834), (13440, 18917)]