1878679980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37409}}^1$

素因数の和:37461

約数の個数: 120

約数和(自身を含む): 6083763840

約数和(自身を除く): 4205083860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1620, 1674, 1860, 2511, 2790, 3348, 4185, 5022, 5580, 8370, 10044, 12555, 16740, 25110, 37409, 50220, 74818, 112227, 149636, 187045, 224454, 336681, 374090, 448908, 561135, 673362, 748180, 1010043, 1122270, 1159679, 1346724, 1683405, 2020086, 2244540, 2319358, 3030129, 3366810, 3479037, 4040172, 4638716, 5050215, 5798395, 6060258, 6733620, 6958074, 10100430, 10437111, 11596790, 12120516, 13916148, 15150645, 17395185, 20200860, 20874222, 23193580, 30301290, 31311333, 34790370, 41748444, 52185555, 60602580, 62622666, 69580740, 93933999, 104371110, 125245332, 156556665, 187867998, 208742220, 313113330, 375735996, 469669995, 626226660, 939339990, 1878679980]

約数ペア:

[(1, 1878679980), (2, 939339990), (3, 626226660), (4, 469669995), (5, 375735996), (6, 313113330), (9, 208742220), (10, 187867998), (12, 156556665), (15, 125245332), (18, 104371110), (20, 93933999), (27, 69580740), (30, 62622666), (31, 60602580), (36, 52185555), (45, 41748444), (54, 34790370), (60, 31311333), (62, 30301290), (81, 23193580), (90, 20874222), (93, 20200860), (108, 17395185), (124, 15150645), (135, 13916148), (155, 12120516), (162, 11596790), (180, 10437111), (186, 10100430), (270, 6958074), (279, 6733620), (310, 6060258), (324, 5798395), (372, 5050215), (405, 4638716), (465, 4040172), (540, 3479037), (558, 3366810), (620, 3030129), (810, 2319358), (837, 2244540), (930, 2020086), (1116, 1683405), (1395, 1346724), (1620, 1159679), (1674, 1122270), (1860, 1010043), (2511, 748180), (2790, 673362), (3348, 561135), (4185, 448908), (5022, 374090), (5580, 336681), (8370, 224454), (10044, 187045), (12555, 149636), (16740, 112227), (25110, 74818), (37409, 50220)]