280669480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{929}}^1$

素因数の和:1043

約数の個数: 128

約数和(自身を含む): 787449600

約数和(自身を除く): 506780120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 83, 91, 104, 130, 140, 166, 182, 260, 280, 332, 364, 415, 455, 520, 581, 664, 728, 830, 910, 929, 1079, 1162, 1660, 1820, 1858, 2158, 2324, 2905, 3320, 3640, 3716, 4316, 4645, 4648, 5395, 5810, 6503, 7432, 7553, 8632, 9290, 10790, 11620, 12077, 13006, 15106, 18580, 21580, 23240, 24154, 26012, 30212, 32515, 37160, 37765, 43160, 48308, 52024, 60385, 60424, 65030, 75530, 77107, 84539, 96616, 120770, 130060, 151060, 154214, 169078, 241540, 260120, 302120, 308428, 338156, 385535, 422695, 483080, 539749, 616856, 676312, 771070, 845390, 1002391, 1079498, 1542140, 1690780, 2004782, 2158996, 2698745, 3084280, 3381560, 4009564, 4317992, 5011955, 5397490, 7016737, 8019128, 10023910, 10794980, 14033474, 20047820, 21589960, 28066948, 35083685, 40095640, 56133896, 70167370, 140334740, 280669480]

約数ペア:

[(1, 280669480), (2, 140334740), (4, 70167370), (5, 56133896), (7, 40095640), (8, 35083685), (10, 28066948), (13, 21589960), (14, 20047820), (20, 14033474), (26, 10794980), (28, 10023910), (35, 8019128), (40, 7016737), (52, 5397490), (56, 5011955), (65, 4317992), (70, 4009564), (83, 3381560), (91, 3084280), (104, 2698745), (130, 2158996), (140, 2004782), (166, 1690780), (182, 1542140), (260, 1079498), (280, 1002391), (332, 845390), (364, 771070), (415, 676312), (455, 616856), (520, 539749), (581, 483080), (664, 422695), (728, 385535), (830, 338156), (910, 308428), (929, 302120), (1079, 260120), (1162, 241540), (1660, 169078), (1820, 154214), (1858, 151060), (2158, 130060), (2324, 120770), (2905, 96616), (3320, 84539), (3640, 77107), (3716, 75530), (4316, 65030), (4645, 60424), (4648, 60385), (5395, 52024), (5810, 48308), (6503, 43160), (7432, 37765), (7553, 37160), (8632, 32515), (9290, 30212), (10790, 26012), (11620, 24154), (12077, 23240), (13006, 21580), (15106, 18580)]