7471980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 23647680

約数和(自身を除く): 16175700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 101, 108, 135, 137, 180, 202, 270, 274, 303, 404, 411, 505, 540, 548, 606, 685, 822, 909, 1010, 1212, 1233, 1370, 1515, 1644, 1818, 2020, 2055, 2466, 2727, 2740, 3030, 3636, 3699, 4110, 4545, 4932, 5454, 6060, 6165, 7398, 8220, 9090, 10908, 12330, 13635, 13837, 14796, 18180, 18495, 24660, 27270, 27674, 36990, 41511, 54540, 55348, 69185, 73980, 83022, 124533, 138370, 166044, 207555, 249066, 276740, 373599, 415110, 498132, 622665, 747198, 830220, 1245330, 1494396, 1867995, 2490660, 3735990, 7471980]

約数ペア:

[(1, 7471980), (2, 3735990), (3, 2490660), (4, 1867995), (5, 1494396), (6, 1245330), (9, 830220), (10, 747198), (12, 622665), (15, 498132), (18, 415110), (20, 373599), (27, 276740), (30, 249066), (36, 207555), (45, 166044), (54, 138370), (60, 124533), (90, 83022), (101, 73980), (108, 69185), (135, 55348), (137, 54540), (180, 41511), (202, 36990), (270, 27674), (274, 27270), (303, 24660), (404, 18495), (411, 18180), (505, 14796), (540, 13837), (548, 13635), (606, 12330), (685, 10908), (822, 9090), (909, 8220), (1010, 7398), (1212, 6165), (1233, 6060), (1370, 5454), (1515, 4932), (1644, 4545), (1818, 4110), (2020, 3699), (2055, 3636), (2466, 3030), (2727, 2740)]