15882620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 37384704

約数和(自身を除く): 21502084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 127, 130, 148, 169, 185, 254, 260, 338, 370, 481, 508, 635, 676, 740, 845, 962, 1270, 1651, 1690, 1924, 2405, 2540, 3302, 3380, 4699, 4810, 6253, 6604, 8255, 9398, 9620, 12506, 16510, 18796, 21463, 23495, 25012, 31265, 33020, 42926, 46990, 61087, 62530, 85852, 93980, 107315, 122174, 125060, 214630, 244348, 305435, 429260, 610870, 794131, 1221740, 1588262, 3176524, 3970655, 7941310, 15882620]

約数ペア:

[(1, 15882620), (2, 7941310), (4, 3970655), (5, 3176524), (10, 1588262), (13, 1221740), (20, 794131), (26, 610870), (37, 429260), (52, 305435), (65, 244348), (74, 214630), (127, 125060), (130, 122174), (148, 107315), (169, 93980), (185, 85852), (254, 62530), (260, 61087), (338, 46990), (370, 42926), (481, 33020), (508, 31265), (635, 25012), (676, 23495), (740, 21463), (845, 18796), (962, 16510), (1270, 12506), (1651, 9620), (1690, 9398), (1924, 8255), (2405, 6604), (2540, 6253), (3302, 4810), (3380, 4699)]