2779807760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:673

約数の個数: 120

約数和(自身を含む): 6791291520

約数和(自身を除く): 4011483760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 116, 145, 158, 232, 290, 316, 395, 464, 523, 580, 632, 790, 841, 1046, 1160, 1264, 1580, 1682, 2092, 2291, 2320, 2615, 3160, 3364, 4184, 4205, 4582, 5230, 6320, 6728, 8368, 8410, 9164, 10460, 11455, 13456, 15167, 16820, 18328, 20920, 22910, 30334, 33640, 36656, 41317, 41840, 45820, 60668, 66439, 67280, 75835, 82634, 91640, 121336, 132878, 151670, 165268, 183280, 206585, 242672, 265756, 303340, 330536, 332195, 413170, 439843, 531512, 606680, 661072, 664390, 826340, 879686, 1063024, 1198193, 1213360, 1328780, 1652680, 1759372, 2199215, 2396386, 2657560, 3305360, 3518744, 4398430, 4792772, 5315120, 5990965, 7037488, 8796860, 9585544, 11981930, 17593720, 19171088, 23963860, 34747597, 35187440, 47927720, 69495194, 95855440, 138990388, 173737985, 277980776, 347475970, 555961552, 694951940, 1389903880, 2779807760]

約数ペア:

[(1, 2779807760), (2, 1389903880), (4, 694951940), (5, 555961552), (8, 347475970), (10, 277980776), (16, 173737985), (20, 138990388), (29, 95855440), (40, 69495194), (58, 47927720), (79, 35187440), (80, 34747597), (116, 23963860), (145, 19171088), (158, 17593720), (232, 11981930), (290, 9585544), (316, 8796860), (395, 7037488), (464, 5990965), (523, 5315120), (580, 4792772), (632, 4398430), (790, 3518744), (841, 3305360), (1046, 2657560), (1160, 2396386), (1264, 2199215), (1580, 1759372), (1682, 1652680), (2092, 1328780), (2291, 1213360), (2320, 1198193), (2615, 1063024), (3160, 879686), (3364, 826340), (4184, 664390), (4205, 661072), (4582, 606680), (5230, 531512), (6320, 439843), (6728, 413170), (8368, 332195), (8410, 330536), (9164, 303340), (10460, 265756), (11455, 242672), (13456, 206585), (15167, 183280), (16820, 165268), (18328, 151670), (20920, 132878), (22910, 121336), (30334, 91640), (33640, 82634), (36656, 75835), (41317, 67280), (41840, 66439), (45820, 60668)]