2121508480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:611

約数の個数: 256

約数和(自身を含む): 6340320000

約数和(自身を除く): 4218811520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 73, 80, 91, 104, 112, 128, 130, 140, 146, 160, 182, 208, 224, 260, 280, 292, 320, 364, 365, 416, 448, 455, 499, 511, 520, 560, 584, 640, 728, 730, 832, 896, 910, 949, 998, 1022, 1040, 1120, 1168, 1456, 1460, 1664, 1820, 1898, 1996, 2044, 2080, 2240, 2336, 2495, 2555, 2912, 2920, 3493, 3640, 3796, 3992, 4088, 4160, 4480, 4672, 4745, 4990, 5110, 5824, 5840, 6487, 6643, 6986, 7280, 7592, 7984, 8176, 8320, 9344, 9490, 9980, 10220, 11648, 11680, 12974, 13286, 13972, 14560, 15184, 15968, 16352, 17465, 18980, 19960, 20440, 23360, 25948, 26572, 27944, 29120, 30368, 31936, 32435, 32704, 33215, 34930, 36427, 37960, 39920, 40880, 45409, 46720, 51896, 53144, 55888, 58240, 60736, 63872, 64870, 65408, 66430, 69860, 72854, 75920, 79840, 81760, 90818, 103792, 106288, 111776, 121472, 129740, 132860, 139720, 145708, 151840, 159680, 163520, 181636, 182135, 207584, 212576, 223552, 227045, 254989, 259480, 265720, 279440, 291416, 303680, 319360, 327040, 363272, 364270, 415168, 425152, 447104, 454090, 473551, 509978, 518960, 531440, 558880, 582832, 607360, 726544, 728540, 830336, 850304, 908180, 947102, 1019956, 1037920, 1062880, 1117760, 1165664, 1274945, 1453088, 1457080, 1816360, 1894204, 2039912, 2075840, 2125760, 2235520, 2331328, 2367755, 2549890, 2906176, 2914160, 3314857, 3632720, 3788408, 4079824, 4151680, 4251520, 4662656, 4735510, 5099780, 5812352, 5828320, 6629714, 7265440, 7576816, 8159648, 9471020, 10199560, 11656640, 13259428, 14530880, 15153632, 16319296, 16574285, 18942040, 20399120, 23313280, 26518856, 29061760, 30307264, 32638592, 33148570, 37884080, 40798240, 53037712, 60614528, 66297140, 75768160, 81596480, 106075424, 132594280, 151536320, 163192960, 212150848, 265188560, 303072640, 424301696, 530377120, 1060754240, 2121508480]

約数ペア:

[(1, 2121508480), (2, 1060754240), (4, 530377120), (5, 424301696), (7, 303072640), (8, 265188560), (10, 212150848), (13, 163192960), (14, 151536320), (16, 132594280), (20, 106075424), (26, 81596480), (28, 75768160), (32, 66297140), (35, 60614528), (40, 53037712), (52, 40798240), (56, 37884080), (64, 33148570), (65, 32638592), (70, 30307264), (73, 29061760), (80, 26518856), (91, 23313280), (104, 20399120), (112, 18942040), (128, 16574285), (130, 16319296), (140, 15153632), (146, 14530880), (160, 13259428), (182, 11656640), (208, 10199560), (224, 9471020), (260, 8159648), (280, 7576816), (292, 7265440), (320, 6629714), (364, 5828320), (365, 5812352), (416, 5099780), (448, 4735510), (455, 4662656), (499, 4251520), (511, 4151680), (520, 4079824), (560, 3788408), (584, 3632720), (640, 3314857), (728, 2914160), (730, 2906176), (832, 2549890), (896, 2367755), (910, 2331328), (949, 2235520), (998, 2125760), (1022, 2075840), (1040, 2039912), (1120, 1894204), (1168, 1816360), (1456, 1457080), (1460, 1453088), (1664, 1274945), (1820, 1165664), (1898, 1117760), (1996, 1062880), (2044, 1037920), (2080, 1019956), (2240, 947102), (2336, 908180), (2495, 850304), (2555, 830336), (2912, 728540), (2920, 726544), (3493, 607360), (3640, 582832), (3796, 558880), (3992, 531440), (4088, 518960), (4160, 509978), (4480, 473551), (4672, 454090), (4745, 447104), (4990, 425152), (5110, 415168), (5824, 364270), (5840, 363272), (6487, 327040), (6643, 319360), (6986, 303680), (7280, 291416), (7592, 279440), (7984, 265720), (8176, 259480), (8320, 254989), (9344, 227045), (9490, 223552), (9980, 212576), (10220, 207584), (11648, 182135), (11680, 181636), (12974, 163520), (13286, 159680), (13972, 151840), (14560, 145708), (15184, 139720), (15968, 132860), (16352, 129740), (17465, 121472), (18980, 111776), (19960, 106288), (20440, 103792), (23360, 90818), (25948, 81760), (26572, 79840), (27944, 75920), (29120, 72854), (30368, 69860), (31936, 66430), (32435, 65408), (32704, 64870), (33215, 63872), (34930, 60736), (36427, 58240), (37960, 55888), (39920, 53144), (40880, 51896), (45409, 46720)]