145277325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 290160000

約数和(自身を除く): 144882675

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 765, 855, 969, 1275, 1425, 1615, 1999, 2907, 3825, 4275, 4845, 5997, 8075, 9995, 14535, 17991, 24225, 29985, 33983, 37981, 49975, 72675, 89955, 101949, 113943, 149925, 169915, 189905, 305847, 341829, 449775, 509745, 569715, 645677, 849575, 949525, 1529235, 1709145, 1937031, 2548725, 2848575, 3228385, 5811093, 7646175, 8545725, 9685155, 16141925, 29055465, 48425775, 145277325]

約数ペア:

[(1, 145277325), (3, 48425775), (5, 29055465), (9, 16141925), (15, 9685155), (17, 8545725), (19, 7646175), (25, 5811093), (45, 3228385), (51, 2848575), (57, 2548725), (75, 1937031), (85, 1709145), (95, 1529235), (153, 949525), (171, 849575), (225, 645677), (255, 569715), (285, 509745), (323, 449775), (425, 341829), (475, 305847), (765, 189905), (855, 169915), (969, 149925), (1275, 113943), (1425, 101949), (1615, 89955), (1999, 72675), (2907, 49975), (3825, 37981), (4275, 33983), (4845, 29985), (5997, 24225), (8075, 17991), (9995, 14535)]