31831080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 105062400

約数和(自身を除く): 73231320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 607, 690, 760, 874, 920, 1140, 1214, 1311, 1380, 1748, 1821, 2185, 2280, 2428, 2622, 2760, 3035, 3496, 3642, 4370, 4856, 5244, 6070, 6555, 7284, 8740, 9105, 10488, 11533, 12140, 13110, 13961, 14568, 17480, 18210, 23066, 24280, 26220, 27922, 34599, 36420, 41883, 46132, 52440, 55844, 57665, 69198, 69805, 72840, 83766, 92264, 111688, 115330, 138396, 139610, 167532, 172995, 209415, 230660, 265259, 276792, 279220, 335064, 345990, 418830, 461320, 530518, 558440, 691980, 795777, 837660, 1061036, 1326295, 1383960, 1591554, 1675320, 2122072, 2652590, 3183108, 3978885, 5305180, 6366216, 7957770, 10610360, 15915540, 31831080]

約数ペア:

[(1, 31831080), (2, 15915540), (3, 10610360), (4, 7957770), (5, 6366216), (6, 5305180), (8, 3978885), (10, 3183108), (12, 2652590), (15, 2122072), (19, 1675320), (20, 1591554), (23, 1383960), (24, 1326295), (30, 1061036), (38, 837660), (40, 795777), (46, 691980), (57, 558440), (60, 530518), (69, 461320), (76, 418830), (92, 345990), (95, 335064), (114, 279220), (115, 276792), (120, 265259), (138, 230660), (152, 209415), (184, 172995), (190, 167532), (228, 139610), (230, 138396), (276, 115330), (285, 111688), (345, 92264), (380, 83766), (437, 72840), (456, 69805), (460, 69198), (552, 57665), (570, 55844), (607, 52440), (690, 46132), (760, 41883), (874, 36420), (920, 34599), (1140, 27922), (1214, 26220), (1311, 24280), (1380, 23066), (1748, 18210), (1821, 17480), (2185, 14568), (2280, 13961), (2428, 13110), (2622, 12140), (2760, 11533), (3035, 10488), (3496, 9105), (3642, 8740), (4370, 7284), (4856, 6555), (5244, 6070)]