672612320

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 1625702400

約数和(自身を除く): 953090080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 127, 158, 160, 254, 316, 395, 419, 508, 632, 635, 790, 838, 1016, 1264, 1270, 1580, 1676, 2032, 2095, 2528, 2540, 3160, 3352, 4064, 4190, 5080, 6320, 6704, 8380, 10033, 10160, 12640, 13408, 16760, 20066, 20320, 33101, 33520, 40132, 50165, 53213, 66202, 67040, 80264, 100330, 106426, 132404, 160528, 165505, 200660, 212852, 264808, 266065, 321056, 331010, 401320, 425704, 529616, 532130, 662020, 802640, 851408, 1059232, 1064260, 1324040, 1605280, 1702816, 2128520, 2648080, 4203827, 4257040, 5296160, 8407654, 8514080, 16815308, 21019135, 33630616, 42038270, 67261232, 84076540, 134522464, 168153080, 336306160, 672612320]

約数ペア:

[(1, 672612320), (2, 336306160), (4, 168153080), (5, 134522464), (8, 84076540), (10, 67261232), (16, 42038270), (20, 33630616), (32, 21019135), (40, 16815308), (79, 8514080), (80, 8407654), (127, 5296160), (158, 4257040), (160, 4203827), (254, 2648080), (316, 2128520), (395, 1702816), (419, 1605280), (508, 1324040), (632, 1064260), (635, 1059232), (790, 851408), (838, 802640), (1016, 662020), (1264, 532130), (1270, 529616), (1580, 425704), (1676, 401320), (2032, 331010), (2095, 321056), (2528, 266065), (2540, 264808), (3160, 212852), (3352, 200660), (4064, 165505), (4190, 160528), (5080, 132404), (6320, 106426), (6704, 100330), (8380, 80264), (10033, 67040), (10160, 66202), (12640, 53213), (13408, 50165), (16760, 40132), (20066, 33520), (20320, 33101)]