263779620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10909}}^1$

素因数の和:10965

約数の個数: 96

約数和(自身を含む): 821130240

約数和(自身を除く): 557350620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 10909, 12090, 21818, 24180, 32727, 43636, 54545, 65454, 109090, 130908, 141817, 163635, 218180, 283634, 327270, 338179, 425451, 567268, 654540, 676358, 709085, 850902, 1014537, 1352716, 1418170, 1690895, 1701804, 2029074, 2127255, 2836340, 3381790, 4058148, 4254510, 4396327, 5072685, 6763580, 8509020, 8792654, 10145370, 13188981, 17585308, 20290740, 21981635, 26377962, 43963270, 52755924, 65944905, 87926540, 131889810, 263779620]

約数ペア:

[(1, 263779620), (2, 131889810), (3, 87926540), (4, 65944905), (5, 52755924), (6, 43963270), (10, 26377962), (12, 21981635), (13, 20290740), (15, 17585308), (20, 13188981), (26, 10145370), (30, 8792654), (31, 8509020), (39, 6763580), (52, 5072685), (60, 4396327), (62, 4254510), (65, 4058148), (78, 3381790), (93, 2836340), (124, 2127255), (130, 2029074), (155, 1701804), (156, 1690895), (186, 1418170), (195, 1352716), (260, 1014537), (310, 850902), (372, 709085), (390, 676358), (403, 654540), (465, 567268), (620, 425451), (780, 338179), (806, 327270), (930, 283634), (1209, 218180), (1612, 163635), (1860, 141817), (2015, 130908), (2418, 109090), (4030, 65454), (4836, 54545), (6045, 43636), (8060, 32727), (10909, 24180), (12090, 21818)]