71564740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 168231168

約数和(自身を除く): 96666428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 683, 806, 845, 1366, 1612, 1690, 2015, 2732, 3380, 3415, 4030, 5239, 6830, 8060, 8879, 10478, 13660, 17758, 20956, 21173, 26195, 35516, 42346, 44395, 52390, 84692, 88790, 104780, 105865, 115427, 177580, 211730, 230854, 275249, 423460, 461708, 550498, 577135, 1100996, 1154270, 1376245, 2308540, 2752490, 3578237, 5504980, 7156474, 14312948, 17891185, 35782370, 71564740]

約数ペア:

[(1, 71564740), (2, 35782370), (4, 17891185), (5, 14312948), (10, 7156474), (13, 5504980), (20, 3578237), (26, 2752490), (31, 2308540), (52, 1376245), (62, 1154270), (65, 1100996), (124, 577135), (130, 550498), (155, 461708), (169, 423460), (260, 275249), (310, 230854), (338, 211730), (403, 177580), (620, 115427), (676, 105865), (683, 104780), (806, 88790), (845, 84692), (1366, 52390), (1612, 44395), (1690, 42346), (2015, 35516), (2732, 26195), (3380, 21173), (3415, 20956), (4030, 17758), (5239, 13660), (6830, 10478), (8060, 8879)]