268821280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 192

約数和(自身を含む): 804384000

約数和(自身を除く): 535562720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 160, 182, 185, 208, 224, 259, 260, 280, 296, 364, 370, 416, 455, 481, 499, 518, 520, 560, 592, 728, 740, 910, 962, 998, 1036, 1040, 1120, 1184, 1295, 1456, 1480, 1820, 1924, 1996, 2072, 2080, 2405, 2495, 2590, 2912, 2960, 3367, 3493, 3640, 3848, 3992, 4144, 4810, 4990, 5180, 5920, 6487, 6734, 6986, 7280, 7696, 7984, 8288, 9620, 9980, 10360, 12974, 13468, 13972, 14560, 15392, 15968, 16835, 17465, 18463, 19240, 19960, 20720, 25948, 26936, 27944, 32435, 33670, 34930, 36926, 38480, 39920, 41440, 45409, 51896, 53872, 55888, 64870, 67340, 69860, 73852, 76960, 79840, 90818, 92315, 103792, 107744, 111776, 129241, 129740, 134680, 139720, 147704, 181636, 184630, 207584, 227045, 240019, 258482, 259480, 269360, 279440, 295408, 363272, 369260, 454090, 480038, 516964, 518960, 538720, 558880, 590816, 646205, 726544, 738520, 908180, 960076, 1033928, 1037920, 1200095, 1292410, 1453088, 1477040, 1680133, 1816360, 1920152, 2067856, 2400190, 2584820, 2954080, 3360266, 3632720, 3840304, 4135712, 4800380, 5169640, 6720532, 7265440, 7680608, 8400665, 9600760, 10339280, 13441064, 16801330, 19201520, 20678560, 26882128, 33602660, 38403040, 53764256, 67205320, 134410640, 268821280]

約数ペア:

[(1, 268821280), (2, 134410640), (4, 67205320), (5, 53764256), (7, 38403040), (8, 33602660), (10, 26882128), (13, 20678560), (14, 19201520), (16, 16801330), (20, 13441064), (26, 10339280), (28, 9600760), (32, 8400665), (35, 7680608), (37, 7265440), (40, 6720532), (52, 5169640), (56, 4800380), (65, 4135712), (70, 3840304), (74, 3632720), (80, 3360266), (91, 2954080), (104, 2584820), (112, 2400190), (130, 2067856), (140, 1920152), (148, 1816360), (160, 1680133), (182, 1477040), (185, 1453088), (208, 1292410), (224, 1200095), (259, 1037920), (260, 1033928), (280, 960076), (296, 908180), (364, 738520), (370, 726544), (416, 646205), (455, 590816), (481, 558880), (499, 538720), (518, 518960), (520, 516964), (560, 480038), (592, 454090), (728, 369260), (740, 363272), (910, 295408), (962, 279440), (998, 269360), (1036, 259480), (1040, 258482), (1120, 240019), (1184, 227045), (1295, 207584), (1456, 184630), (1480, 181636), (1820, 147704), (1924, 139720), (1996, 134680), (2072, 129740), (2080, 129241), (2405, 111776), (2495, 107744), (2590, 103792), (2912, 92315), (2960, 90818), (3367, 79840), (3493, 76960), (3640, 73852), (3848, 69860), (3992, 67340), (4144, 64870), (4810, 55888), (4990, 53872), (5180, 51896), (5920, 45409), (6487, 41440), (6734, 39920), (6986, 38480), (7280, 36926), (7696, 34930), (7984, 33670), (8288, 32435), (9620, 27944), (9980, 26936), (10360, 25948), (12974, 20720), (13468, 19960), (13972, 19240), (14560, 18463), (15392, 17465), (15968, 16835)]