321817440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:186

約数の個数: 288

約数和(自身を含む): 1236936960

約数和(自身を除く): 915119520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 71, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 142, 152, 160, 168, 190, 210, 213, 224, 228, 240, 266, 280, 284, 285, 304, 336, 355, 380, 399, 420, 426, 456, 480, 497, 532, 560, 568, 570, 608, 665, 672, 710, 760, 798, 840, 852, 912, 994, 1064, 1065, 1120, 1136, 1140, 1330, 1349, 1420, 1491, 1520, 1596, 1680, 1704, 1824, 1988, 1995, 2128, 2130, 2272, 2280, 2485, 2660, 2698, 2840, 2982, 3040, 3192, 3360, 3408, 3976, 3990, 4047, 4256, 4260, 4560, 4970, 5041, 5320, 5396, 5680, 5964, 6384, 6745, 6816, 7455, 7952, 7980, 8094, 8520, 9120, 9443, 9940, 10082, 10640, 10792, 11360, 11928, 12768, 13490, 14910, 15123, 15904, 15960, 16188, 17040, 18886, 19880, 20164, 20235, 21280, 21584, 23856, 25205, 26980, 28329, 29820, 30246, 31920, 32376, 34080, 35287, 37772, 39760, 40328, 40470, 43168, 47215, 47712, 50410, 53960, 56658, 59640, 60492, 63840, 64752, 70574, 75544, 75615, 79520, 80656, 80940, 94430, 95779, 100820, 105861, 107920, 113316, 119280, 120984, 129504, 141148, 141645, 151088, 151230, 161312, 161880, 176435, 188860, 191558, 201640, 211722, 215840, 226632, 238560, 241968, 282296, 283290, 287337, 302176, 302460, 323760, 352870, 377720, 383116, 403280, 423444, 453264, 478895, 483936, 529305, 564592, 566580, 574674, 604920, 647520, 670453, 705740, 755440, 766232, 806560, 846888, 906528, 957790, 1058610, 1129184, 1133160, 1149348, 1209840, 1340906, 1411480, 1436685, 1510880, 1532464, 1693776, 1915580, 2011359, 2117220, 2266320, 2298696, 2419680, 2681812, 2822960, 2873370, 3064928, 3352265, 3387552, 3831160, 4022718, 4234440, 4532640, 4597392, 5363624, 5645920, 5746740, 6704530, 7662320, 8045436, 8468880, 9194784, 10056795, 10727248, 11493480, 13409060, 15324640, 16090872, 16937760, 20113590, 21454496, 22986960, 26818120, 32181744, 40227180, 45973920, 53636240, 64363488, 80454360, 107272480, 160908720, 321817440]

約数ペア:

[(1, 321817440), (2, 160908720), (3, 107272480), (4, 80454360), (5, 64363488), (6, 53636240), (7, 45973920), (8, 40227180), (10, 32181744), (12, 26818120), (14, 22986960), (15, 21454496), (16, 20113590), (19, 16937760), (20, 16090872), (21, 15324640), (24, 13409060), (28, 11493480), (30, 10727248), (32, 10056795), (35, 9194784), (38, 8468880), (40, 8045436), (42, 7662320), (48, 6704530), (56, 5746740), (57, 5645920), (60, 5363624), (70, 4597392), (71, 4532640), (76, 4234440), (80, 4022718), (84, 3831160), (95, 3387552), (96, 3352265), (105, 3064928), (112, 2873370), (114, 2822960), (120, 2681812), (133, 2419680), (140, 2298696), (142, 2266320), (152, 2117220), (160, 2011359), (168, 1915580), (190, 1693776), (210, 1532464), (213, 1510880), (224, 1436685), (228, 1411480), (240, 1340906), (266, 1209840), (280, 1149348), (284, 1133160), (285, 1129184), (304, 1058610), (336, 957790), (355, 906528), (380, 846888), (399, 806560), (420, 766232), (426, 755440), (456, 705740), (480, 670453), (497, 647520), (532, 604920), (560, 574674), (568, 566580), (570, 564592), (608, 529305), (665, 483936), (672, 478895), (710, 453264), (760, 423444), (798, 403280), (840, 383116), (852, 377720), (912, 352870), (994, 323760), (1064, 302460), (1065, 302176), (1120, 287337), (1136, 283290), (1140, 282296), (1330, 241968), (1349, 238560), (1420, 226632), (1491, 215840), (1520, 211722), (1596, 201640), (1680, 191558), (1704, 188860), (1824, 176435), (1988, 161880), (1995, 161312), (2128, 151230), (2130, 151088), (2272, 141645), (2280, 141148), (2485, 129504), (2660, 120984), (2698, 119280), (2840, 113316), (2982, 107920), (3040, 105861), (3192, 100820), (3360, 95779), (3408, 94430), (3976, 80940), (3990, 80656), (4047, 79520), (4256, 75615), (4260, 75544), (4560, 70574), (4970, 64752), (5041, 63840), (5320, 60492), (5396, 59640), (5680, 56658), (5964, 53960), (6384, 50410), (6745, 47712), (6816, 47215), (7455, 43168), (7952, 40470), (7980, 40328), (8094, 39760), (8520, 37772), (9120, 35287), (9443, 34080), (9940, 32376), (10082, 31920), (10640, 30246), (10792, 29820), (11360, 28329), (11928, 26980), (12768, 25205), (13490, 23856), (14910, 21584), (15123, 21280), (15904, 20235), (15960, 20164), (16188, 19880), (17040, 18886)]