1311355920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1427}}^1$

素因数の和:1997

約数の個数: 160

約数和(自身を含む): 4657701888

約数和(自身を除く): 3346345968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 547, 560, 840, 1094, 1427, 1641, 1680, 2188, 2735, 2854, 3282, 3829, 4281, 4376, 5470, 5708, 6564, 7135, 7658, 8205, 8562, 8752, 9989, 10940, 11416, 11487, 13128, 14270, 15316, 16410, 17124, 19145, 19978, 21405, 21880, 22832, 22974, 26256, 28540, 29967, 30632, 32820, 34248, 38290, 39956, 42810, 43760, 45948, 49945, 57080, 57435, 59934, 61264, 65640, 68496, 76580, 79912, 85620, 91896, 99890, 114160, 114870, 119868, 131280, 149835, 153160, 159824, 171240, 183792, 199780, 229740, 239736, 299670, 306320, 342480, 399560, 459480, 479472, 599340, 780569, 799120, 918960, 1198680, 1561138, 2341707, 2397360, 3122276, 3902845, 4683414, 5463983, 6244552, 7805690, 9366828, 10927966, 11708535, 12489104, 15611380, 16391949, 18733656, 21855932, 23417070, 27319915, 31222760, 32783898, 37467312, 43711864, 46834140, 54639830, 62445520, 65567796, 81959745, 87423728, 93668280, 109279660, 131135592, 163919490, 187336560, 218559320, 262271184, 327838980, 437118640, 655677960, 1311355920]

約数ペア:

[(1, 1311355920), (2, 655677960), (3, 437118640), (4, 327838980), (5, 262271184), (6, 218559320), (7, 187336560), (8, 163919490), (10, 131135592), (12, 109279660), (14, 93668280), (15, 87423728), (16, 81959745), (20, 65567796), (21, 62445520), (24, 54639830), (28, 46834140), (30, 43711864), (35, 37467312), (40, 32783898), (42, 31222760), (48, 27319915), (56, 23417070), (60, 21855932), (70, 18733656), (80, 16391949), (84, 15611380), (105, 12489104), (112, 11708535), (120, 10927966), (140, 9366828), (168, 7805690), (210, 6244552), (240, 5463983), (280, 4683414), (336, 3902845), (420, 3122276), (547, 2397360), (560, 2341707), (840, 1561138), (1094, 1198680), (1427, 918960), (1641, 799120), (1680, 780569), (2188, 599340), (2735, 479472), (2854, 459480), (3282, 399560), (3829, 342480), (4281, 306320), (4376, 299670), (5470, 239736), (5708, 229740), (6564, 199780), (7135, 183792), (7658, 171240), (8205, 159824), (8562, 153160), (8752, 149835), (9989, 131280), (10940, 119868), (11416, 114870), (11487, 114160), (13128, 99890), (14270, 91896), (15316, 85620), (16410, 79912), (17124, 76580), (19145, 68496), (19978, 65640), (21405, 61264), (21880, 59934), (22832, 57435), (22974, 57080), (26256, 49945), (28540, 45948), (29967, 43760), (30632, 42810), (32820, 39956), (34248, 38290)]