127808280

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{487}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 432216720

約数和(自身を除く): 304408440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 487, 540, 648, 729, 810, 972, 974, 1080, 1215, 1458, 1461, 1620, 1944, 1948, 2187, 2430, 2435, 2916, 2922, 3240, 3645, 3896, 4374, 4383, 4860, 4870, 5832, 5844, 6561, 7290, 7305, 8748, 8766, 9720, 9740, 10935, 11688, 13122, 13149, 14580, 14610, 17496, 17532, 19480, 21870, 21915, 26244, 26298, 29160, 29220, 32805, 35064, 39447, 43740, 43830, 52488, 52596, 58440, 65610, 65745, 78894, 87480, 87660, 105192, 118341, 131220, 131490, 157788, 175320, 197235, 236682, 262440, 262980, 315576, 355023, 394470, 473364, 525960, 591705, 710046, 788940, 946728, 1065069, 1183410, 1420092, 1577880, 1775115, 2130138, 2366820, 2840184, 3195207, 3550230, 4260276, 4733640, 5325345, 6390414, 7100460, 8520552, 10650690, 12780828, 14200920, 15976035, 21301380, 25561656, 31952070, 42602760, 63904140, 127808280]

約数ペア:

[(1, 127808280), (2, 63904140), (3, 42602760), (4, 31952070), (5, 25561656), (6, 21301380), (8, 15976035), (9, 14200920), (10, 12780828), (12, 10650690), (15, 8520552), (18, 7100460), (20, 6390414), (24, 5325345), (27, 4733640), (30, 4260276), (36, 3550230), (40, 3195207), (45, 2840184), (54, 2366820), (60, 2130138), (72, 1775115), (81, 1577880), (90, 1420092), (108, 1183410), (120, 1065069), (135, 946728), (162, 788940), (180, 710046), (216, 591705), (243, 525960), (270, 473364), (324, 394470), (360, 355023), (405, 315576), (486, 262980), (487, 262440), (540, 236682), (648, 197235), (729, 175320), (810, 157788), (972, 131490), (974, 131220), (1080, 118341), (1215, 105192), (1458, 87660), (1461, 87480), (1620, 78894), (1944, 65745), (1948, 65610), (2187, 58440), (2430, 52596), (2435, 52488), (2916, 43830), (2922, 43740), (3240, 39447), (3645, 35064), (3896, 32805), (4374, 29220), (4383, 29160), (4860, 26298), (4870, 26244), (5832, 21915), (5844, 21870), (6561, 19480), (7290, 17532), (7305, 17496), (8748, 14610), (8766, 14580), (9720, 13149), (9740, 13122), (10935, 11688)]