1256820240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1217}}^1$

素因数の和:1577

約数の個数: 160

約数和(自身を含む): 4211980416

約数和(自身を除く): 2955160176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 331, 390, 520, 624, 662, 780, 993, 1040, 1217, 1324, 1560, 1655, 1986, 2434, 2648, 3120, 3310, 3651, 3972, 4303, 4868, 4965, 5296, 6085, 6620, 7302, 7944, 8606, 9736, 9930, 12170, 12909, 13240, 14604, 15821, 15888, 17212, 18255, 19472, 19860, 21515, 24340, 25818, 26480, 29208, 31642, 34424, 36510, 39720, 43030, 47463, 48680, 51636, 58416, 63284, 64545, 68848, 73020, 79105, 79440, 86060, 94926, 97360, 103272, 126568, 129090, 146040, 158210, 172120, 189852, 206544, 237315, 253136, 258180, 292080, 316420, 344240, 379704, 402827, 474630, 516360, 632840, 759408, 805654, 949260, 1032720, 1208481, 1265680, 1611308, 1898520, 2014135, 2416962, 3222616, 3797040, 4028270, 4833924, 5236751, 6042405, 6445232, 8056540, 9667848, 10473502, 12084810, 15710253, 16113080, 19335696, 20947004, 24169620, 26183755, 31420506, 32226160, 41894008, 48339240, 52367510, 62841012, 78551265, 83788016, 96678480, 104735020, 125682024, 157102530, 209470040, 251364048, 314205060, 418940080, 628410120, 1256820240]

約数ペア:

[(1, 1256820240), (2, 628410120), (3, 418940080), (4, 314205060), (5, 251364048), (6, 209470040), (8, 157102530), (10, 125682024), (12, 104735020), (13, 96678480), (15, 83788016), (16, 78551265), (20, 62841012), (24, 52367510), (26, 48339240), (30, 41894008), (39, 32226160), (40, 31420506), (48, 26183755), (52, 24169620), (60, 20947004), (65, 19335696), (78, 16113080), (80, 15710253), (104, 12084810), (120, 10473502), (130, 9667848), (156, 8056540), (195, 6445232), (208, 6042405), (240, 5236751), (260, 4833924), (312, 4028270), (331, 3797040), (390, 3222616), (520, 2416962), (624, 2014135), (662, 1898520), (780, 1611308), (993, 1265680), (1040, 1208481), (1217, 1032720), (1324, 949260), (1560, 805654), (1655, 759408), (1986, 632840), (2434, 516360), (2648, 474630), (3120, 402827), (3310, 379704), (3651, 344240), (3972, 316420), (4303, 292080), (4868, 258180), (4965, 253136), (5296, 237315), (6085, 206544), (6620, 189852), (7302, 172120), (7944, 158210), (8606, 146040), (9736, 129090), (9930, 126568), (12170, 103272), (12909, 97360), (13240, 94926), (14604, 86060), (15821, 79440), (15888, 79105), (17212, 73020), (18255, 68848), (19472, 64545), (19860, 63284), (21515, 58416), (24340, 51636), (25818, 48680), (26480, 47463), (29208, 43030), (31642, 39720), (34424, 36510)]