72844020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{811}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 221676000

約数和(自身を除く): 148831980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 811, 998, 1497, 1622, 1996, 2433, 2495, 2994, 3244, 4055, 4491, 4866, 4990, 5988, 7299, 7485, 8110, 8982, 9732, 9980, 12165, 14598, 14970, 16220, 17964, 22455, 24330, 29196, 29940, 36495, 44910, 48660, 72990, 89820, 145980, 404689, 809378, 1214067, 1618756, 2023445, 2428134, 3642201, 4046890, 4856268, 6070335, 7284402, 8093780, 12140670, 14568804, 18211005, 24281340, 36422010, 72844020]

約数ペア:

[(1, 72844020), (2, 36422010), (3, 24281340), (4, 18211005), (5, 14568804), (6, 12140670), (9, 8093780), (10, 7284402), (12, 6070335), (15, 4856268), (18, 4046890), (20, 3642201), (30, 2428134), (36, 2023445), (45, 1618756), (60, 1214067), (90, 809378), (180, 404689), (499, 145980), (811, 89820), (998, 72990), (1497, 48660), (1622, 44910), (1996, 36495), (2433, 29940), (2495, 29196), (2994, 24330), (3244, 22455), (4055, 17964), (4491, 16220), (4866, 14970), (4990, 14598), (5988, 12165), (7299, 9980), (7485, 9732), (8110, 8982)]