81569040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2157

約数の個数: 160

約数和(自身を含む): 301694976

約数和(自身を除く): 220125936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2111, 2415, 2576, 2760, 3220, 3864, 4222, 4830, 5520, 6333, 6440, 7728, 8444, 9660, 10555, 12666, 12880, 14777, 16888, 19320, 21110, 25332, 29554, 31665, 33776, 38640, 42220, 44331, 48553, 50664, 59108, 63330, 73885, 84440, 88662, 97106, 101328, 118216, 126660, 145659, 147770, 168880, 177324, 194212, 221655, 236432, 242765, 253320, 291318, 295540, 339871, 354648, 388424, 443310, 485530, 506640, 582636, 591080, 679742, 709296, 728295, 776848, 886620, 971060, 1019613, 1165272, 1182160, 1359484, 1456590, 1699355, 1773240, 1942120, 2039226, 2330544, 2718968, 2913180, 3398710, 3546480, 3884240, 4078452, 5098065, 5437936, 5826360, 6797420, 8156904, 10196130, 11652720, 13594840, 16313808, 20392260, 27189680, 40784520, 81569040]

約数ペア:

[(1, 81569040), (2, 40784520), (3, 27189680), (4, 20392260), (5, 16313808), (6, 13594840), (7, 11652720), (8, 10196130), (10, 8156904), (12, 6797420), (14, 5826360), (15, 5437936), (16, 5098065), (20, 4078452), (21, 3884240), (23, 3546480), (24, 3398710), (28, 2913180), (30, 2718968), (35, 2330544), (40, 2039226), (42, 1942120), (46, 1773240), (48, 1699355), (56, 1456590), (60, 1359484), (69, 1182160), (70, 1165272), (80, 1019613), (84, 971060), (92, 886620), (105, 776848), (112, 728295), (115, 709296), (120, 679742), (138, 591080), (140, 582636), (161, 506640), (168, 485530), (184, 443310), (210, 388424), (230, 354648), (240, 339871), (276, 295540), (280, 291318), (322, 253320), (336, 242765), (345, 236432), (368, 221655), (420, 194212), (460, 177324), (483, 168880), (552, 147770), (560, 145659), (644, 126660), (690, 118216), (805, 101328), (840, 97106), (920, 88662), (966, 84440), (1104, 73885), (1288, 63330), (1380, 59108), (1610, 50664), (1680, 48553), (1840, 44331), (1932, 42220), (2111, 38640), (2415, 33776), (2576, 31665), (2760, 29554), (3220, 25332), (3864, 21110), (4222, 19320), (4830, 16888), (5520, 14777), (6333, 12880), (6440, 12666), (7728, 10555), (8444, 9660)]