15216660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 49900032

約数和(自身を除く): 34683372

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, 101, 108, 124, 135, 155, 162, 180, 186, 202, 243, 270, 279, 303, 310, 324, 372, 404, 405, 465, 486, 505, 540, 558, 606, 620, 810, 837, 909, 930, 972, 1010, 1116, 1212, 1215, 1395, 1515, 1620, 1674, 1818, 1860, 2020, 2430, 2511, 2727, 2790, 3030, 3131, 3348, 3636, 4185, 4545, 4860, 5022, 5454, 5580, 6060, 6262, 7533, 8181, 8370, 9090, 9393, 10044, 10908, 12524, 12555, 13635, 15066, 15655, 16362, 16740, 18180, 18786, 24543, 25110, 27270, 28179, 30132, 31310, 32724, 37572, 37665, 40905, 46965, 49086, 50220, 54540, 56358, 62620, 75330, 81810, 84537, 93930, 98172, 112716, 122715, 140895, 150660, 163620, 169074, 187860, 245430, 253611, 281790, 338148, 422685, 490860, 507222, 563580, 760833, 845370, 1014444, 1268055, 1521666, 1690740, 2536110, 3043332, 3804165, 5072220, 7608330, 15216660]

約数ペア:

[(1, 15216660), (2, 7608330), (3, 5072220), (4, 3804165), (5, 3043332), (6, 2536110), (9, 1690740), (10, 1521666), (12, 1268055), (15, 1014444), (18, 845370), (20, 760833), (27, 563580), (30, 507222), (31, 490860), (36, 422685), (45, 338148), (54, 281790), (60, 253611), (62, 245430), (81, 187860), (90, 169074), (93, 163620), (101, 150660), (108, 140895), (124, 122715), (135, 112716), (155, 98172), (162, 93930), (180, 84537), (186, 81810), (202, 75330), (243, 62620), (270, 56358), (279, 54540), (303, 50220), (310, 49086), (324, 46965), (372, 40905), (404, 37665), (405, 37572), (465, 32724), (486, 31310), (505, 30132), (540, 28179), (558, 27270), (606, 25110), (620, 24543), (810, 18786), (837, 18180), (909, 16740), (930, 16362), (972, 15655), (1010, 15066), (1116, 13635), (1212, 12555), (1215, 12524), (1395, 10908), (1515, 10044), (1620, 9393), (1674, 9090), (1818, 8370), (1860, 8181), (2020, 7533), (2430, 6262), (2511, 6060), (2727, 5580), (2790, 5454), (3030, 5022), (3131, 4860), (3348, 4545), (3636, 4185)]