254286480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{3089}}^1$

素因数の和:3126

約数の個数: 160

約数和(自身を含む): 919584000

約数和(自身を除く): 665297520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3089, 3430, 3920, 4116, 5145, 5488, 5880, 6178, 6860, 8232, 9267, 10290, 11760, 12356, 13720, 15445, 16464, 18534, 20580, 21623, 24712, 27440, 30890, 37068, 41160, 43246, 46335, 49424, 61780, 64869, 74136, 82320, 86492, 92670, 108115, 123560, 129738, 148272, 151361, 172984, 185340, 216230, 247120, 259476, 302722, 324345, 345968, 370680, 432460, 454083, 518952, 605444, 648690, 741360, 756805, 864920, 908166, 1037904, 1059527, 1210888, 1297380, 1513610, 1729840, 1816332, 2119054, 2270415, 2421776, 2594760, 3027220, 3178581, 3632664, 4238108, 4540830, 5189520, 5297635, 6054440, 6357162, 7265328, 8476216, 9081660, 10595270, 12108880, 12714324, 15892905, 16952432, 18163320, 21190540, 25428648, 31785810, 36326640, 42381080, 50857296, 63571620, 84762160, 127143240, 254286480]

約数ペア:

[(1, 254286480), (2, 127143240), (3, 84762160), (4, 63571620), (5, 50857296), (6, 42381080), (7, 36326640), (8, 31785810), (10, 25428648), (12, 21190540), (14, 18163320), (15, 16952432), (16, 15892905), (20, 12714324), (21, 12108880), (24, 10595270), (28, 9081660), (30, 8476216), (35, 7265328), (40, 6357162), (42, 6054440), (48, 5297635), (49, 5189520), (56, 4540830), (60, 4238108), (70, 3632664), (80, 3178581), (84, 3027220), (98, 2594760), (105, 2421776), (112, 2270415), (120, 2119054), (140, 1816332), (147, 1729840), (168, 1513610), (196, 1297380), (210, 1210888), (240, 1059527), (245, 1037904), (280, 908166), (294, 864920), (336, 756805), (343, 741360), (392, 648690), (420, 605444), (490, 518952), (560, 454083), (588, 432460), (686, 370680), (735, 345968), (784, 324345), (840, 302722), (980, 259476), (1029, 247120), (1176, 216230), (1372, 185340), (1470, 172984), (1680, 151361), (1715, 148272), (1960, 129738), (2058, 123560), (2352, 108115), (2744, 92670), (2940, 86492), (3089, 82320), (3430, 74136), (3920, 64869), (4116, 61780), (5145, 49424), (5488, 46335), (5880, 43246), (6178, 41160), (6860, 37068), (8232, 30890), (9267, 27440), (10290, 24712), (11760, 21623), (12356, 20580), (13720, 18534), (15445, 16464)]