306828080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 120

約数和(自身を含む): 796417776

約数和(自身を除く): 489589696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 307, 310, 403, 496, 520, 614, 620, 806, 961, 1040, 1228, 1240, 1535, 1612, 1922, 2015, 2456, 2480, 3070, 3224, 3844, 3991, 4030, 4805, 4912, 6140, 6448, 7688, 7982, 8060, 9517, 9610, 12280, 12493, 15376, 15964, 16120, 19034, 19220, 19955, 24560, 24986, 31928, 32240, 38068, 38440, 39910, 47585, 49972, 62465, 63856, 76136, 76880, 79820, 95170, 99944, 123721, 124930, 152272, 159640, 190340, 199888, 247442, 249860, 295027, 319280, 380680, 494884, 499720, 590054, 618605, 761360, 989768, 999440, 1180108, 1237210, 1475135, 1979536, 2360216, 2474420, 2950270, 3835351, 4720432, 4948840, 5900540, 7670702, 9897680, 11801080, 15341404, 19176755, 23602160, 30682808, 38353510, 61365616, 76707020, 153414040, 306828080]

約数ペア:

[(1, 306828080), (2, 153414040), (4, 76707020), (5, 61365616), (8, 38353510), (10, 30682808), (13, 23602160), (16, 19176755), (20, 15341404), (26, 11801080), (31, 9897680), (40, 7670702), (52, 5900540), (62, 4948840), (65, 4720432), (80, 3835351), (104, 2950270), (124, 2474420), (130, 2360216), (155, 1979536), (208, 1475135), (248, 1237210), (260, 1180108), (307, 999440), (310, 989768), (403, 761360), (496, 618605), (520, 590054), (614, 499720), (620, 494884), (806, 380680), (961, 319280), (1040, 295027), (1228, 249860), (1240, 247442), (1535, 199888), (1612, 190340), (1922, 159640), (2015, 152272), (2456, 124930), (2480, 123721), (3070, 99944), (3224, 95170), (3844, 79820), (3991, 76880), (4030, 76136), (4805, 63856), (4912, 62465), (6140, 49972), (6448, 47585), (7688, 39910), (7982, 38440), (8060, 38068), (9517, 32240), (9610, 31928), (12280, 24986), (12493, 24560), (15376, 19955), (15964, 19220), (16120, 19034)]