81310920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4157}}^1$

素因数の和:4334

約数の個数: 64

約数和(自身を含む): 245488320

約数和(自身を除く): 164177400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4157, 4890, 6520, 8314, 9780, 12471, 16628, 19560, 20785, 24942, 33256, 41570, 49884, 62355, 83140, 99768, 124710, 166280, 249420, 498840, 677591, 1355182, 2032773, 2710364, 3387955, 4065546, 5420728, 6775910, 8131092, 10163865, 13551820, 16262184, 20327730, 27103640, 40655460, 81310920]

約数ペア:

[(1, 81310920), (2, 40655460), (3, 27103640), (4, 20327730), (5, 16262184), (6, 13551820), (8, 10163865), (10, 8131092), (12, 6775910), (15, 5420728), (20, 4065546), (24, 3387955), (30, 2710364), (40, 2032773), (60, 1355182), (120, 677591), (163, 498840), (326, 249420), (489, 166280), (652, 124710), (815, 99768), (978, 83140), (1304, 62355), (1630, 49884), (1956, 41570), (2445, 33256), (3260, 24942), (3912, 20785), (4157, 19560), (4890, 16628), (6520, 12471), (8314, 9780)]