72879760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29387}}^1$

素因数の和:29431

約数の個数: 40

約数和(自身を含む): 174917376

約数和(自身を除く): 102037616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 29387, 58774, 117548, 146935, 235096, 293870, 470192, 587740, 910997, 1175480, 1821994, 2350960, 3643988, 4554985, 7287976, 9109970, 14575952, 18219940, 36439880, 72879760]

約数ペア:

[(1, 72879760), (2, 36439880), (4, 18219940), (5, 14575952), (8, 9109970), (10, 7287976), (16, 4554985), (20, 3643988), (31, 2350960), (40, 1821994), (62, 1175480), (80, 910997), (124, 587740), (155, 470192), (248, 293870), (310, 235096), (496, 146935), (620, 117548), (1240, 58774), (2480, 29387)]