40296780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 122928624

約数和(自身を除く): 82631844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1061, 1266, 1899, 2110, 2122, 2532, 3165, 3183, 3798, 4220, 4244, 5305, 6330, 6366, 7596, 9495, 9549, 10610, 12660, 12732, 15915, 18990, 19098, 21220, 31830, 37980, 38196, 47745, 63660, 95490, 190980, 223871, 447742, 671613, 895484, 1119355, 1343226, 2014839, 2238710, 2686452, 3358065, 4029678, 4477420, 6716130, 8059356, 10074195, 13432260, 20148390, 40296780]

約数ペア:

[(1, 40296780), (2, 20148390), (3, 13432260), (4, 10074195), (5, 8059356), (6, 6716130), (9, 4477420), (10, 4029678), (12, 3358065), (15, 2686452), (18, 2238710), (20, 2014839), (30, 1343226), (36, 1119355), (45, 895484), (60, 671613), (90, 447742), (180, 223871), (211, 190980), (422, 95490), (633, 63660), (844, 47745), (1055, 38196), (1061, 37980), (1266, 31830), (1899, 21220), (2110, 19098), (2122, 18990), (2532, 15915), (3165, 12732), (3183, 12660), (3798, 10610), (4220, 9549), (4244, 9495), (5305, 7596), (6330, 6366)]