30982640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:119

約数の個数: 80

約数和(自身を含む): 80161536

約数和(自身を除く): 49178896

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, 310, 403, 496, 520, 620, 806, 961, 1040, 1240, 1612, 1922, 2015, 2480, 3224, 3844, 4030, 4805, 6448, 7688, 8060, 9610, 12493, 15376, 16120, 19220, 24986, 29791, 32240, 38440, 49972, 59582, 62465, 76880, 99944, 119164, 124930, 148955, 199888, 238328, 249860, 297910, 387283, 476656, 499720, 595820, 774566, 999440, 1191640, 1549132, 1936415, 2383280, 3098264, 3872830, 6196528, 7745660, 15491320, 30982640]

約数ペア:

[(1, 30982640), (2, 15491320), (4, 7745660), (5, 6196528), (8, 3872830), (10, 3098264), (13, 2383280), (16, 1936415), (20, 1549132), (26, 1191640), (31, 999440), (40, 774566), (52, 595820), (62, 499720), (65, 476656), (80, 387283), (104, 297910), (124, 249860), (130, 238328), (155, 199888), (208, 148955), (248, 124930), (260, 119164), (310, 99944), (403, 76880), (496, 62465), (520, 59582), (620, 49972), (806, 38440), (961, 32240), (1040, 29791), (1240, 24986), (1612, 19220), (1922, 16120), (2015, 15376), (2480, 12493), (3224, 9610), (3844, 8060), (4030, 7688), (4805, 6448)]