318537240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 256

約数和(自身を含む): 1140480000

約数和(自身を除く): 821942760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 109, 120, 140, 142, 147, 168, 196, 210, 213, 218, 245, 280, 284, 294, 327, 343, 355, 392, 420, 426, 436, 490, 497, 545, 568, 588, 654, 686, 710, 735, 763, 840, 852, 872, 980, 994, 1029, 1065, 1090, 1176, 1308, 1372, 1420, 1470, 1491, 1526, 1635, 1704, 1715, 1960, 1988, 2058, 2130, 2180, 2289, 2485, 2616, 2744, 2840, 2940, 2982, 3052, 3270, 3430, 3479, 3815, 3976, 4116, 4260, 4360, 4578, 4970, 5145, 5341, 5880, 5964, 6104, 6540, 6860, 6958, 7455, 7630, 7739, 8232, 8520, 9156, 9940, 10290, 10437, 10682, 11445, 11928, 13080, 13720, 13916, 14910, 15260, 15478, 16023, 17395, 18312, 19880, 20580, 20874, 21364, 22890, 23217, 24353, 26705, 27832, 29820, 30520, 30956, 32046, 34790, 37387, 38695, 41160, 41748, 42728, 45780, 46434, 48706, 52185, 53410, 54173, 59640, 61912, 64092, 69580, 73059, 74774, 77390, 80115, 83496, 91560, 92868, 97412, 104370, 106820, 108346, 112161, 116085, 121765, 128184, 139160, 146118, 149548, 154780, 160230, 162519, 185736, 186935, 194824, 208740, 213640, 216692, 224322, 232170, 243530, 270865, 292236, 299096, 309560, 320460, 325038, 365295, 373870, 379211, 417480, 433384, 448644, 464340, 487060, 541730, 560805, 584472, 640920, 650076, 730590, 747740, 758422, 812595, 897288, 928680, 974120, 1083460, 1121610, 1137633, 1300152, 1461180, 1495480, 1516844, 1625190, 1896055, 2166920, 2243220, 2275266, 2654477, 2922360, 3033688, 3250380, 3792110, 4486440, 4550532, 5308954, 5688165, 6500760, 7584220, 7963431, 9101064, 10617908, 11376330, 13272385, 15168440, 15926862, 21235816, 22752660, 26544770, 31853724, 39817155, 45505320, 53089540, 63707448, 79634310, 106179080, 159268620, 318537240]

約数ペア:

[(1, 318537240), (2, 159268620), (3, 106179080), (4, 79634310), (5, 63707448), (6, 53089540), (7, 45505320), (8, 39817155), (10, 31853724), (12, 26544770), (14, 22752660), (15, 21235816), (20, 15926862), (21, 15168440), (24, 13272385), (28, 11376330), (30, 10617908), (35, 9101064), (40, 7963431), (42, 7584220), (49, 6500760), (56, 5688165), (60, 5308954), (70, 4550532), (71, 4486440), (84, 3792110), (98, 3250380), (105, 3033688), (109, 2922360), (120, 2654477), (140, 2275266), (142, 2243220), (147, 2166920), (168, 1896055), (196, 1625190), (210, 1516844), (213, 1495480), (218, 1461180), (245, 1300152), (280, 1137633), (284, 1121610), (294, 1083460), (327, 974120), (343, 928680), (355, 897288), (392, 812595), (420, 758422), (426, 747740), (436, 730590), (490, 650076), (497, 640920), (545, 584472), (568, 560805), (588, 541730), (654, 487060), (686, 464340), (710, 448644), (735, 433384), (763, 417480), (840, 379211), (852, 373870), (872, 365295), (980, 325038), (994, 320460), (1029, 309560), (1065, 299096), (1090, 292236), (1176, 270865), (1308, 243530), (1372, 232170), (1420, 224322), (1470, 216692), (1491, 213640), (1526, 208740), (1635, 194824), (1704, 186935), (1715, 185736), (1960, 162519), (1988, 160230), (2058, 154780), (2130, 149548), (2180, 146118), (2289, 139160), (2485, 128184), (2616, 121765), (2744, 116085), (2840, 112161), (2940, 108346), (2982, 106820), (3052, 104370), (3270, 97412), (3430, 92868), (3479, 91560), (3815, 83496), (3976, 80115), (4116, 77390), (4260, 74774), (4360, 73059), (4578, 69580), (4970, 64092), (5145, 61912), (5341, 59640), (5880, 54173), (5964, 53410), (6104, 52185), (6540, 48706), (6860, 46434), (6958, 45780), (7455, 42728), (7630, 41748), (7739, 41160), (8232, 38695), (8520, 37387), (9156, 34790), (9940, 32046), (10290, 30956), (10437, 30520), (10682, 29820), (11445, 27832), (11928, 26705), (13080, 24353), (13720, 23217), (13916, 22890), (14910, 21364), (15260, 20874), (15478, 20580), (16023, 19880), (17395, 18312)]