72355760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14827}}^1$

素因数の和:14901

約数の個数: 40

約数和(自身を含む): 170996496

約数和(自身を除く): 98640736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14827, 29654, 59308, 74135, 118616, 148270, 237232, 296540, 593080, 904447, 1186160, 1808894, 3617788, 4522235, 7235576, 9044470, 14471152, 18088940, 36177880, 72355760]

約数ペア:

[(1, 72355760), (2, 36177880), (4, 18088940), (5, 14471152), (8, 9044470), (10, 7235576), (16, 4522235), (20, 3617788), (40, 1808894), (61, 1186160), (80, 904447), (122, 593080), (244, 296540), (305, 237232), (488, 148270), (610, 118616), (976, 74135), (1220, 59308), (2440, 29654), (4880, 14827)]