15668520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 56125440

約数和(自身を除く): 40456920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 811, 840, 920, 966, 1288, 1380, 1610, 1622, 1932, 2415, 2433, 2760, 3220, 3244, 3864, 4055, 4830, 4866, 5677, 6440, 6488, 8110, 9660, 9732, 11354, 12165, 16220, 17031, 18653, 19320, 19464, 22708, 24330, 28385, 32440, 34062, 37306, 45416, 48660, 55959, 56770, 68124, 74612, 85155, 93265, 97320, 111918, 113540, 130571, 136248, 149224, 170310, 186530, 223836, 227080, 261142, 279795, 340620, 373060, 391713, 447672, 522284, 559590, 652855, 681240, 746120, 783426, 1044568, 1119180, 1305710, 1566852, 1958565, 2238360, 2611420, 3133704, 3917130, 5222840, 7834260, 15668520]

約数ペア:

[(1, 15668520), (2, 7834260), (3, 5222840), (4, 3917130), (5, 3133704), (6, 2611420), (7, 2238360), (8, 1958565), (10, 1566852), (12, 1305710), (14, 1119180), (15, 1044568), (20, 783426), (21, 746120), (23, 681240), (24, 652855), (28, 559590), (30, 522284), (35, 447672), (40, 391713), (42, 373060), (46, 340620), (56, 279795), (60, 261142), (69, 227080), (70, 223836), (84, 186530), (92, 170310), (105, 149224), (115, 136248), (120, 130571), (138, 113540), (140, 111918), (161, 97320), (168, 93265), (184, 85155), (210, 74612), (230, 68124), (276, 56770), (280, 55959), (322, 48660), (345, 45416), (420, 37306), (460, 34062), (483, 32440), (552, 28385), (644, 24330), (690, 22708), (805, 19464), (811, 19320), (840, 18653), (920, 17031), (966, 16220), (1288, 12165), (1380, 11354), (1610, 9732), (1622, 9660), (1932, 8110), (2415, 6488), (2433, 6440), (2760, 5677), (3220, 4866), (3244, 4830), (3864, 4055)]