256802760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23011}}^1$

素因数の和:23059

約数の個数: 96

約数和(自身を含む): 861569280

約数和(自身を除く): 604766520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 23011, 46022, 69033, 92044, 115055, 138066, 184088, 207099, 230110, 276132, 345165, 414198, 460220, 552264, 690330, 713341, 828396, 920440, 1035495, 1380660, 1426682, 1656792, 2070990, 2140023, 2761320, 2853364, 3566705, 4141980, 4280046, 5706728, 6420069, 7133410, 8283960, 8560092, 10700115, 12840138, 14266820, 17120184, 21400230, 25680276, 28533640, 32100345, 42800460, 51360552, 64200690, 85600920, 128401380, 256802760]

約数ペア:

[(1, 256802760), (2, 128401380), (3, 85600920), (4, 64200690), (5, 51360552), (6, 42800460), (8, 32100345), (9, 28533640), (10, 25680276), (12, 21400230), (15, 17120184), (18, 14266820), (20, 12840138), (24, 10700115), (30, 8560092), (31, 8283960), (36, 7133410), (40, 6420069), (45, 5706728), (60, 4280046), (62, 4141980), (72, 3566705), (90, 2853364), (93, 2761320), (120, 2140023), (124, 2070990), (155, 1656792), (180, 1426682), (186, 1380660), (248, 1035495), (279, 920440), (310, 828396), (360, 713341), (372, 690330), (465, 552264), (558, 460220), (620, 414198), (744, 345165), (930, 276132), (1116, 230110), (1240, 207099), (1395, 184088), (1860, 138066), (2232, 115055), (2790, 92044), (3720, 69033), (5580, 46022), (11160, 23011)]