81343080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 328872960

約数和(自身を除く): 247529880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 169, 180, 182, 191, 195, 210, 234, 252, 260, 273, 280, 312, 315, 338, 360, 364, 382, 390, 420, 455, 468, 504, 507, 520, 546, 573, 585, 630, 676, 728, 764, 780, 819, 840, 845, 910, 936, 955, 1014, 1092, 1146, 1170, 1183, 1260, 1337, 1352, 1365, 1521, 1528, 1560, 1638, 1690, 1719, 1820, 1910, 2028, 2184, 2292, 2340, 2366, 2483, 2520, 2535, 2674, 2730, 2865, 3042, 3276, 3380, 3438, 3549, 3640, 3820, 4011, 4056, 4095, 4584, 4680, 4732, 4966, 5070, 5348, 5460, 5730, 5915, 6084, 6552, 6685, 6760, 6876, 7098, 7449, 7605, 7640, 8022, 8190, 8595, 9464, 9932, 10140, 10647, 10696, 10920, 11460, 11830, 12033, 12168, 12415, 13370, 13752, 14196, 14898, 15210, 16044, 16380, 17190, 17381, 17745, 19864, 20055, 20280, 21294, 22347, 22920, 23660, 24066, 24830, 26740, 28392, 29796, 30420, 32088, 32279, 32760, 34380, 34762, 35490, 37245, 40110, 42588, 44694, 47320, 48132, 49660, 52143, 53235, 53480, 59592, 60165, 60840, 64558, 68760, 69524, 70980, 74490, 80220, 85176, 86905, 89388, 96264, 96837, 99320, 104286, 106470, 111735, 120330, 129116, 139048, 141960, 148980, 156429, 160440, 161395, 173810, 178776, 193674, 208572, 212940, 223470, 225953, 240660, 258232, 260715, 290511, 297960, 312858, 322790, 347620, 387348, 417144, 425880, 446940, 451906, 481320, 484185, 521430, 581022, 625716, 645580, 677859, 695240, 774696, 782145, 893880, 903812, 968370, 1042860, 1129765, 1162044, 1251432, 1291160, 1355718, 1452555, 1564290, 1807624, 1936740, 2033577, 2085720, 2259530, 2324088, 2711436, 2905110, 3128580, 3389295, 3873480, 4067154, 4519060, 5422872, 5810220, 6257160, 6778590, 8134308, 9038120, 10167885, 11620440, 13557180, 16268616, 20335770, 27114360, 40671540, 81343080]

約数ペア:

[(1, 81343080), (2, 40671540), (3, 27114360), (4, 20335770), (5, 16268616), (6, 13557180), (7, 11620440), (8, 10167885), (9, 9038120), (10, 8134308), (12, 6778590), (13, 6257160), (14, 5810220), (15, 5422872), (18, 4519060), (20, 4067154), (21, 3873480), (24, 3389295), (26, 3128580), (28, 2905110), (30, 2711436), (35, 2324088), (36, 2259530), (39, 2085720), (40, 2033577), (42, 1936740), (45, 1807624), (52, 1564290), (56, 1452555), (60, 1355718), (63, 1291160), (65, 1251432), (70, 1162044), (72, 1129765), (78, 1042860), (84, 968370), (90, 903812), (91, 893880), (104, 782145), (105, 774696), (117, 695240), (120, 677859), (126, 645580), (130, 625716), (140, 581022), (156, 521430), (168, 484185), (169, 481320), (180, 451906), (182, 446940), (191, 425880), (195, 417144), (210, 387348), (234, 347620), (252, 322790), (260, 312858), (273, 297960), (280, 290511), (312, 260715), (315, 258232), (338, 240660), (360, 225953), (364, 223470), (382, 212940), (390, 208572), (420, 193674), (455, 178776), (468, 173810), (504, 161395), (507, 160440), (520, 156429), (546, 148980), (573, 141960), (585, 139048), (630, 129116), (676, 120330), (728, 111735), (764, 106470), (780, 104286), (819, 99320), (840, 96837), (845, 96264), (910, 89388), (936, 86905), (955, 85176), (1014, 80220), (1092, 74490), (1146, 70980), (1170, 69524), (1183, 68760), (1260, 64558), (1337, 60840), (1352, 60165), (1365, 59592), (1521, 53480), (1528, 53235), (1560, 52143), (1638, 49660), (1690, 48132), (1719, 47320), (1820, 44694), (1910, 42588), (2028, 40110), (2184, 37245), (2292, 35490), (2340, 34762), (2366, 34380), (2483, 32760), (2520, 32279), (2535, 32088), (2674, 30420), (2730, 29796), (2865, 28392), (3042, 26740), (3276, 24830), (3380, 24066), (3438, 23660), (3549, 22920), (3640, 22347), (3820, 21294), (4011, 20280), (4056, 20055), (4095, 19864), (4584, 17745), (4680, 17381), (4732, 17190), (4966, 16380), (5070, 16044), (5348, 15210), (5460, 14898), (5730, 14196), (5915, 13752), (6084, 13370), (6552, 12415), (6685, 12168), (6760, 12033), (6876, 11830), (7098, 11460), (7449, 10920), (7605, 10696), (7640, 10647), (8022, 10140), (8190, 9932), (8595, 9464)]