40784520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2155

約数の個数: 128

約数和(自身を含む): 145981440

約数和(自身を除く): 105196920

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, 840, 920, 966, 1288, 1380, 1610, 1932, 2111, 2415, 2760, 3220, 3864, 4222, 4830, 6333, 6440, 8444, 9660, 10555, 12666, 14777, 16888, 19320, 21110, 25332, 29554, 31665, 42220, 44331, 48553, 50664, 59108, 63330, 73885, 84440, 88662, 97106, 118216, 126660, 145659, 147770, 177324, 194212, 221655, 242765, 253320, 291318, 295540, 339871, 354648, 388424, 443310, 485530, 582636, 591080, 679742, 728295, 886620, 971060, 1019613, 1165272, 1359484, 1456590, 1699355, 1773240, 1942120, 2039226, 2718968, 2913180, 3398710, 4078452, 5098065, 5826360, 6797420, 8156904, 10196130, 13594840, 20392260, 40784520]

約数ペア:

[(1, 40784520), (2, 20392260), (3, 13594840), (4, 10196130), (5, 8156904), (6, 6797420), (7, 5826360), (8, 5098065), (10, 4078452), (12, 3398710), (14, 2913180), (15, 2718968), (20, 2039226), (21, 1942120), (23, 1773240), (24, 1699355), (28, 1456590), (30, 1359484), (35, 1165272), (40, 1019613), (42, 971060), (46, 886620), (56, 728295), (60, 679742), (69, 591080), (70, 582636), (84, 485530), (92, 443310), (105, 388424), (115, 354648), (120, 339871), (138, 295540), (140, 291318), (161, 253320), (168, 242765), (184, 221655), (210, 194212), (230, 177324), (276, 147770), (280, 145659), (322, 126660), (345, 118216), (420, 97106), (460, 88662), (483, 84440), (552, 73885), (644, 63330), (690, 59108), (805, 50664), (840, 48553), (920, 44331), (966, 42220), (1288, 31665), (1380, 29554), (1610, 25332), (1932, 21110), (2111, 19320), (2415, 16888), (2760, 14777), (3220, 12666), (3864, 10555), (4222, 9660), (4830, 8444), (6333, 6440)]