620247680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:746

約数の個数: 128

約数和(自身を含む): 1612154880

約数和(自身を除く): 991907200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 260, 320, 416, 508, 520, 587, 635, 640, 832, 1016, 1040, 1174, 1270, 1651, 1664, 2032, 2080, 2348, 2540, 2935, 3302, 4064, 4160, 4696, 5080, 5870, 6604, 7631, 8128, 8255, 8320, 9392, 10160, 11740, 13208, 15262, 16256, 16510, 18784, 20320, 23480, 26416, 30524, 33020, 37568, 38155, 40640, 46960, 52832, 61048, 66040, 74549, 75136, 76310, 81280, 93920, 105664, 122096, 132080, 149098, 152620, 187840, 211328, 244192, 264160, 298196, 305240, 372745, 375680, 488384, 528320, 596392, 610480, 745490, 969137, 976768, 1056640, 1192784, 1220960, 1490980, 1938274, 2385568, 2441920, 2981960, 3876548, 4771136, 4845685, 4883840, 5963920, 7753096, 9542272, 9691370, 11927840, 15506192, 19382740, 23855680, 31012384, 38765480, 47711360, 62024768, 77530960, 124049536, 155061920, 310123840, 620247680]

約数ペア:

[(1, 620247680), (2, 310123840), (4, 155061920), (5, 124049536), (8, 77530960), (10, 62024768), (13, 47711360), (16, 38765480), (20, 31012384), (26, 23855680), (32, 19382740), (40, 15506192), (52, 11927840), (64, 9691370), (65, 9542272), (80, 7753096), (104, 5963920), (127, 4883840), (128, 4845685), (130, 4771136), (160, 3876548), (208, 2981960), (254, 2441920), (260, 2385568), (320, 1938274), (416, 1490980), (508, 1220960), (520, 1192784), (587, 1056640), (635, 976768), (640, 969137), (832, 745490), (1016, 610480), (1040, 596392), (1174, 528320), (1270, 488384), (1651, 375680), (1664, 372745), (2032, 305240), (2080, 298196), (2348, 264160), (2540, 244192), (2935, 211328), (3302, 187840), (4064, 152620), (4160, 149098), (4696, 132080), (5080, 122096), (5870, 105664), (6604, 93920), (7631, 81280), (8128, 76310), (8255, 75136), (8320, 74549), (9392, 66040), (10160, 61048), (11740, 52832), (13208, 46960), (15262, 40640), (16256, 38155), (16510, 37568), (18784, 33020), (20320, 30524), (23480, 26416)]