1246173880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1582

約数の個数: 128

約数和(自身を含む): 3325680000

約数和(自身を除く): 2079506120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 343, 392, 427, 488, 490, 610, 686, 854, 980, 1220, 1372, 1489, 1708, 1715, 1960, 2135, 2440, 2744, 2978, 2989, 3416, 3430, 4270, 5956, 5978, 6860, 7445, 8540, 10423, 11912, 11956, 13720, 14890, 14945, 17080, 20846, 20923, 23912, 29780, 29890, 41692, 41846, 52115, 59560, 59780, 72961, 83384, 83692, 90829, 104230, 104615, 119560, 145922, 167384, 181658, 208460, 209230, 291844, 363316, 364805, 416920, 418460, 454145, 510727, 583688, 635803, 726632, 729610, 836920, 908290, 1021454, 1271606, 1459220, 1816580, 2042908, 2543212, 2553635, 2918440, 3179015, 3633160, 4085816, 4450621, 5086424, 5107270, 6358030, 8901242, 10214540, 12716060, 17802484, 20429080, 22253105, 25432120, 31154347, 35604968, 44506210, 62308694, 89012420, 124617388, 155771735, 178024840, 249234776, 311543470, 623086940, 1246173880]

約数ペア:

[(1, 1246173880), (2, 623086940), (4, 311543470), (5, 249234776), (7, 178024840), (8, 155771735), (10, 124617388), (14, 89012420), (20, 62308694), (28, 44506210), (35, 35604968), (40, 31154347), (49, 25432120), (56, 22253105), (61, 20429080), (70, 17802484), (98, 12716060), (122, 10214540), (140, 8901242), (196, 6358030), (244, 5107270), (245, 5086424), (280, 4450621), (305, 4085816), (343, 3633160), (392, 3179015), (427, 2918440), (488, 2553635), (490, 2543212), (610, 2042908), (686, 1816580), (854, 1459220), (980, 1271606), (1220, 1021454), (1372, 908290), (1489, 836920), (1708, 729610), (1715, 726632), (1960, 635803), (2135, 583688), (2440, 510727), (2744, 454145), (2978, 418460), (2989, 416920), (3416, 364805), (3430, 363316), (4270, 291844), (5956, 209230), (5978, 208460), (6860, 181658), (7445, 167384), (8540, 145922), (10423, 119560), (11912, 104615), (11956, 104230), (13720, 90829), (14890, 83692), (14945, 83384), (17080, 72961), (20846, 59780), (20923, 59560), (23912, 52115), (29780, 41846), (29890, 41692)]