72973453.000000000

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{644701}}^1$

素因数の和:644718

約数の個数: 48

約数和(自身を含む): 754301340

約数和(自身を除く): 522208980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 644701, 1289402, 1934103, 2578804, 3223505, 3868206, 5157608, 5802309, 6447010, 7736412, 9670515, 11604618, 12894020, 15472824, 19341030, 23209236, 25788040, 29011545, 38682060, 46418472, 58023090, 77364120, 116046180, 232092360]

約数ペア:

[(1, 232092360), (2, 116046180), (3, 77364120), (4, 58023090), (5, 46418472), (6, 38682060), (8, 29011545), (9, 25788040), (10, 23209236), (12, 19341030), (15, 15472824), (18, 12894020), (20, 11604618), (24, 9670515), (30, 7736412), (36, 6447010), (40, 5802309), (45, 5157608), (60, 3868206), (72, 3223505), (90, 2578804), (120, 1934103), (180, 1289402), (360, 644701)]