159218920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8098

約数の個数: 64

約数和(自身を含む): 415238400

約数和(自身を除く): 256019480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 8009, 9940, 16018, 19880, 32036, 40045, 56063, 64072, 80090, 112126, 160180, 224252, 280315, 320360, 448504, 560630, 568639, 1121260, 1137278, 2242520, 2274556, 2843195, 3980473, 4549112, 5686390, 7960946, 11372780, 15921892, 19902365, 22745560, 31843784, 39804730, 79609460, 159218920]

約数ペア:

[(1, 159218920), (2, 79609460), (4, 39804730), (5, 31843784), (7, 22745560), (8, 19902365), (10, 15921892), (14, 11372780), (20, 7960946), (28, 5686390), (35, 4549112), (40, 3980473), (56, 2843195), (70, 2274556), (71, 2242520), (140, 1137278), (142, 1121260), (280, 568639), (284, 560630), (355, 448504), (497, 320360), (568, 280315), (710, 224252), (994, 160180), (1420, 112126), (1988, 80090), (2485, 64072), (2840, 56063), (3976, 40045), (4970, 32036), (8009, 19880), (9940, 16018)]