71649450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1896

約数の個数: 72

約数和(自身を含む): 194769900

約数和(自身を除く): 123120450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 225, 267, 445, 450, 534, 801, 890, 1335, 1602, 1789, 2225, 2670, 3578, 4005, 4450, 5367, 6675, 8010, 8945, 10734, 13350, 16101, 17890, 20025, 26835, 32202, 40050, 44725, 53670, 80505, 89450, 134175, 159221, 161010, 268350, 318442, 402525, 477663, 796105, 805050, 955326, 1432989, 1592210, 2388315, 2865978, 3980525, 4776630, 7164945, 7961050, 11941575, 14329890, 23883150, 35824725, 71649450]

約数ペア:

[(1, 71649450), (2, 35824725), (3, 23883150), (5, 14329890), (6, 11941575), (9, 7961050), (10, 7164945), (15, 4776630), (18, 3980525), (25, 2865978), (30, 2388315), (45, 1592210), (50, 1432989), (75, 955326), (89, 805050), (90, 796105), (150, 477663), (178, 402525), (225, 318442), (267, 268350), (445, 161010), (450, 159221), (534, 134175), (801, 89450), (890, 80505), (1335, 53670), (1602, 44725), (1789, 40050), (2225, 32202), (2670, 26835), (3578, 20025), (4005, 17890), (4450, 16101), (5367, 13350), (6675, 10734), (8010, 8945)]