618138540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{127189}}^1$

素因数の和:127213

約数の個数: 72

約数和(自身を含む): 1944480720

約数和(自身を除く): 1326342180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 127189, 254378, 381567, 508756, 635945, 763134, 1144701, 1271890, 1526268, 1907835, 2289402, 2543780, 3434103, 3815670, 4578804, 5723505, 6868206, 7631340, 10302309, 11447010, 13736412, 17170515, 20604618, 22894020, 30906927, 34341030, 41209236, 51511545, 61813854, 68682060, 103023090, 123627708, 154534635, 206046180, 309069270, 618138540]

約数ペア:

[(1, 618138540), (2, 309069270), (3, 206046180), (4, 154534635), (5, 123627708), (6, 103023090), (9, 68682060), (10, 61813854), (12, 51511545), (15, 41209236), (18, 34341030), (20, 30906927), (27, 22894020), (30, 20604618), (36, 17170515), (45, 13736412), (54, 11447010), (60, 10302309), (81, 7631340), (90, 6868206), (108, 5723505), (135, 4578804), (162, 3815670), (180, 3434103), (243, 2543780), (270, 2289402), (324, 1907835), (405, 1526268), (486, 1271890), (540, 1144701), (810, 763134), (972, 635945), (1215, 508756), (1620, 381567), (2430, 254378), (4860, 127189)]