499499820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{1753}}^1$

素因数の和:3351

約数の個数: 72

約数和(自身を含む): 1516971456

約数和(自身を除く): 1017471636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1583, 1753, 3166, 3506, 4749, 5259, 6332, 7012, 7915, 8765, 9498, 10518, 14247, 15777, 15830, 17530, 18996, 21036, 23745, 26295, 28494, 31554, 31660, 35060, 47490, 52590, 56988, 63108, 71235, 78885, 94980, 105180, 142470, 157770, 284940, 315540, 2774999, 5549998, 8324997, 11099996, 13874995, 16649994, 24974991, 27749990, 33299988, 41624985, 49949982, 55499980, 83249970, 99899964, 124874955, 166499940, 249749910, 499499820]

約数ペア:

[(1, 499499820), (2, 249749910), (3, 166499940), (4, 124874955), (5, 99899964), (6, 83249970), (9, 55499980), (10, 49949982), (12, 41624985), (15, 33299988), (18, 27749990), (20, 24974991), (30, 16649994), (36, 13874995), (45, 11099996), (60, 8324997), (90, 5549998), (180, 2774999), (1583, 315540), (1753, 284940), (3166, 157770), (3506, 142470), (4749, 105180), (5259, 94980), (6332, 78885), (7012, 71235), (7915, 63108), (8765, 56988), (9498, 52590), (10518, 47490), (14247, 35060), (15777, 31660), (15830, 31554), (17530, 28494), (18996, 26295), (21036, 23745)]