80402220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1653

約数の個数: 120

約数和(自身を含む): 260523648

約数和(自身を除く): 180121428

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, 1601, 1620, 1674, 1860, 2511, 2790, 3202, 3348, 4185, 4803, 5022, 5580, 6404, 8005, 8370, 9606, 10044, 12555, 14409, 16010, 16740, 19212, 24015, 25110, 28818, 32020, 43227, 48030, 49631, 50220, 57636, 72045, 86454, 96060, 99262, 129681, 144090, 148893, 172908, 198524, 216135, 248155, 259362, 288180, 297786, 432270, 446679, 496310, 518724, 595572, 648405, 744465, 864540, 893358, 992620, 1296810, 1340037, 1488930, 1786716, 2233395, 2593620, 2680074, 2977860, 4020111, 4466790, 5360148, 6700185, 8040222, 8933580, 13400370, 16080444, 20100555, 26800740, 40201110, 80402220]

約数ペア:

[(1, 80402220), (2, 40201110), (3, 26800740), (4, 20100555), (5, 16080444), (6, 13400370), (9, 8933580), (10, 8040222), (12, 6700185), (15, 5360148), (18, 4466790), (20, 4020111), (27, 2977860), (30, 2680074), (31, 2593620), (36, 2233395), (45, 1786716), (54, 1488930), (60, 1340037), (62, 1296810), (81, 992620), (90, 893358), (93, 864540), (108, 744465), (124, 648405), (135, 595572), (155, 518724), (162, 496310), (180, 446679), (186, 432270), (270, 297786), (279, 288180), (310, 259362), (324, 248155), (372, 216135), (405, 198524), (465, 172908), (540, 148893), (558, 144090), (620, 129681), (810, 99262), (837, 96060), (930, 86454), (1116, 72045), (1395, 57636), (1601, 50220), (1620, 49631), (1674, 48030), (1860, 43227), (2511, 32020), (2790, 28818), (3202, 25110), (3348, 24015), (4185, 19212), (4803, 16740), (5022, 16010), (5580, 14409), (6404, 12555), (8005, 10044), (8370, 9606)]