81663000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 257886720

約数和(自身を除く): 176223720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 163, 167, 200, 250, 300, 326, 334, 375, 489, 500, 501, 600, 652, 668, 750, 815, 835, 978, 1000, 1002, 1304, 1336, 1500, 1630, 1670, 1956, 2004, 2445, 2505, 3000, 3260, 3340, 3912, 4008, 4075, 4175, 4890, 5010, 6520, 6680, 8150, 8350, 9780, 10020, 12225, 12525, 16300, 16700, 19560, 20040, 20375, 20875, 24450, 25050, 27221, 32600, 33400, 40750, 41750, 48900, 50100, 54442, 61125, 62625, 81500, 81663, 83500, 97800, 100200, 108884, 122250, 125250, 136105, 163000, 163326, 167000, 217768, 244500, 250500, 272210, 326652, 408315, 489000, 501000, 544420, 653304, 680525, 816630, 1088840, 1361050, 1633260, 2041575, 2722100, 3266520, 3402625, 4083150, 5444200, 6805250, 8166300, 10207875, 13610500, 16332600, 20415750, 27221000, 40831500, 81663000]

約数ペア:

[(1, 81663000), (2, 40831500), (3, 27221000), (4, 20415750), (5, 16332600), (6, 13610500), (8, 10207875), (10, 8166300), (12, 6805250), (15, 5444200), (20, 4083150), (24, 3402625), (25, 3266520), (30, 2722100), (40, 2041575), (50, 1633260), (60, 1361050), (75, 1088840), (100, 816630), (120, 680525), (125, 653304), (150, 544420), (163, 501000), (167, 489000), (200, 408315), (250, 326652), (300, 272210), (326, 250500), (334, 244500), (375, 217768), (489, 167000), (500, 163326), (501, 163000), (600, 136105), (652, 125250), (668, 122250), (750, 108884), (815, 100200), (835, 97800), (978, 83500), (1000, 81663), (1002, 81500), (1304, 62625), (1336, 61125), (1500, 54442), (1630, 50100), (1670, 48900), (1956, 41750), (2004, 40750), (2445, 33400), (2505, 32600), (3000, 27221), (3260, 25050), (3340, 24450), (3912, 20875), (4008, 20375), (4075, 20040), (4175, 19560), (4890, 16700), (5010, 16300), (6520, 12525), (6680, 12225), (8150, 10020), (8350, 9780)]