18428520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 44608920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 66, 69, 88, 92, 110, 115, 120, 132, 138, 165, 184, 220, 230, 253, 264, 276, 330, 345, 440, 460, 506, 552, 607, 660, 690, 759, 920, 1012, 1214, 1265, 1320, 1380, 1518, 1821, 2024, 2428, 2530, 2760, 3035, 3036, 3642, 3795, 4856, 5060, 6070, 6072, 6677, 7284, 7590, 9105, 10120, 12140, 13354, 13961, 14568, 15180, 18210, 20031, 24280, 26708, 27922, 30360, 33385, 36420, 40062, 41883, 53416, 55844, 66770, 69805, 72840, 80124, 83766, 100155, 111688, 133540, 139610, 153571, 160248, 167532, 200310, 209415, 267080, 279220, 307142, 335064, 400620, 418830, 460713, 558440, 614284, 767855, 801240, 837660, 921426, 1228568, 1535710, 1675320, 1842852, 2303565, 3071420, 3685704, 4607130, 6142840, 9214260, 18428520]

約数ペア:

[(1, 18428520), (2, 9214260), (3, 6142840), (4, 4607130), (5, 3685704), (6, 3071420), (8, 2303565), (10, 1842852), (11, 1675320), (12, 1535710), (15, 1228568), (20, 921426), (22, 837660), (23, 801240), (24, 767855), (30, 614284), (33, 558440), (40, 460713), (44, 418830), (46, 400620), (55, 335064), (60, 307142), (66, 279220), (69, 267080), (88, 209415), (92, 200310), (110, 167532), (115, 160248), (120, 153571), (132, 139610), (138, 133540), (165, 111688), (184, 100155), (220, 83766), (230, 80124), (253, 72840), (264, 69805), (276, 66770), (330, 55844), (345, 53416), (440, 41883), (460, 40062), (506, 36420), (552, 33385), (607, 30360), (660, 27922), (690, 26708), (759, 24280), (920, 20031), (1012, 18210), (1214, 15180), (1265, 14568), (1320, 13961), (1380, 13354), (1518, 12140), (1821, 10120), (2024, 9105), (2428, 7590), (2530, 7284), (2760, 6677), (3035, 6072), (3036, 6070), (3642, 5060), (3795, 4856)]