80869620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 245548800

約数和(自身を除く): 164679180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 521, 597, 780, 796, 995, 1042, 1194, 1563, 1990, 2084, 2388, 2587, 2605, 2985, 3126, 3980, 5174, 5210, 5970, 6252, 6773, 7761, 7815, 10348, 10420, 11940, 12935, 13546, 15522, 15630, 20319, 25870, 27092, 31044, 31260, 33865, 38805, 40638, 51740, 67730, 77610, 81276, 101595, 103679, 135460, 155220, 203190, 207358, 311037, 406380, 414716, 518395, 622074, 1036790, 1244148, 1347827, 1555185, 2073580, 2695654, 3110370, 4043481, 5391308, 6220740, 6739135, 8086962, 13478270, 16173924, 20217405, 26956540, 40434810, 80869620]

約数ペア:

[(1, 80869620), (2, 40434810), (3, 26956540), (4, 20217405), (5, 16173924), (6, 13478270), (10, 8086962), (12, 6739135), (13, 6220740), (15, 5391308), (20, 4043481), (26, 3110370), (30, 2695654), (39, 2073580), (52, 1555185), (60, 1347827), (65, 1244148), (78, 1036790), (130, 622074), (156, 518395), (195, 414716), (199, 406380), (260, 311037), (390, 207358), (398, 203190), (521, 155220), (597, 135460), (780, 103679), (796, 101595), (995, 81276), (1042, 77610), (1194, 67730), (1563, 51740), (1990, 40638), (2084, 38805), (2388, 33865), (2587, 31260), (2605, 31044), (2985, 27092), (3126, 25870), (3980, 20319), (5174, 15630), (5210, 15522), (5970, 13546), (6252, 12935), (6773, 11940), (7761, 10420), (7815, 10348)]