66389580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1361}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 202273344

約数和(自身を除く): 135883764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1361, 1626, 2439, 2710, 2722, 3252, 4065, 4083, 4878, 5420, 5444, 6805, 8130, 8166, 9756, 12195, 12249, 13610, 16260, 16332, 20415, 24390, 24498, 27220, 40830, 48780, 48996, 61245, 81660, 122490, 244980, 368831, 737662, 1106493, 1475324, 1844155, 2212986, 3319479, 3688310, 4425972, 5532465, 6638958, 7376620, 11064930, 13277916, 16597395, 22129860, 33194790, 66389580]

約数ペア:

[(1, 66389580), (2, 33194790), (3, 22129860), (4, 16597395), (5, 13277916), (6, 11064930), (9, 7376620), (10, 6638958), (12, 5532465), (15, 4425972), (18, 3688310), (20, 3319479), (30, 2212986), (36, 1844155), (45, 1475324), (60, 1106493), (90, 737662), (180, 368831), (271, 244980), (542, 122490), (813, 81660), (1084, 61245), (1355, 48996), (1361, 48780), (1626, 40830), (2439, 27220), (2710, 24498), (2722, 24390), (3252, 20415), (4065, 16332), (4083, 16260), (4878, 13610), (5420, 12249), (5444, 12195), (6805, 9756), (8130, 8166)]