72904760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29879}}^1$

素因数の和:29951

約数の個数: 32

約数和(自身を含む): 166730400

約数和(自身を除く): 93825640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29879, 59758, 119516, 149395, 239032, 298790, 597580, 1195160, 1822619, 3645238, 7290476, 9113095, 14580952, 18226190, 36452380, 72904760]

約数ペア:

[(1, 72904760), (2, 36452380), (4, 18226190), (5, 14580952), (8, 9113095), (10, 7290476), (20, 3645238), (40, 1822619), (61, 1195160), (122, 597580), (244, 298790), (305, 239032), (488, 149395), (610, 119516), (1220, 59758), (2440, 29879)]