725294520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1830

約数の個数: 128

約数和(自身を含む): 2424168000

約数和(自身を除く): 1698873480

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, 90, 108, 120, 135, 180, 216, 270, 360, 521, 540, 1042, 1080, 1289, 1563, 2084, 2578, 2605, 3126, 3867, 4168, 4689, 5156, 5210, 6252, 6445, 7734, 7815, 9378, 10312, 10420, 11601, 12504, 12890, 14067, 15468, 15630, 18756, 19335, 20840, 23202, 23445, 25780, 28134, 30936, 31260, 34803, 37512, 38670, 46404, 46890, 51560, 56268, 58005, 62520, 69606, 70335, 77340, 92808, 93780, 112536, 116010, 139212, 140670, 154680, 174015, 187560, 232020, 278424, 281340, 348030, 464040, 562680, 671569, 696060, 1343138, 1392120, 2014707, 2686276, 3357845, 4029414, 5372552, 6044121, 6715690, 8058828, 10073535, 12088242, 13431380, 16117656, 18132363, 20147070, 24176484, 26862760, 30220605, 36264726, 40294140, 48352968, 60441210, 72529452, 80588280, 90661815, 120882420, 145058904, 181323630, 241764840, 362647260, 725294520]

約数ペア:

[(1, 725294520), (2, 362647260), (3, 241764840), (4, 181323630), (5, 145058904), (6, 120882420), (8, 90661815), (9, 80588280), (10, 72529452), (12, 60441210), (15, 48352968), (18, 40294140), (20, 36264726), (24, 30220605), (27, 26862760), (30, 24176484), (36, 20147070), (40, 18132363), (45, 16117656), (54, 13431380), (60, 12088242), (72, 10073535), (90, 8058828), (108, 6715690), (120, 6044121), (135, 5372552), (180, 4029414), (216, 3357845), (270, 2686276), (360, 2014707), (521, 1392120), (540, 1343138), (1042, 696060), (1080, 671569), (1289, 562680), (1563, 464040), (2084, 348030), (2578, 281340), (2605, 278424), (3126, 232020), (3867, 187560), (4168, 174015), (4689, 154680), (5156, 140670), (5210, 139212), (6252, 116010), (6445, 112536), (7734, 93780), (7815, 92808), (9378, 77340), (10312, 70335), (10420, 69606), (11601, 62520), (12504, 58005), (12890, 56268), (14067, 51560), (15468, 46890), (15630, 46404), (18756, 38670), (19335, 37512), (20840, 34803), (23202, 31260), (23445, 30936), (25780, 28134)]