259342720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 256

約数和(自身を含む): 786199680

約数和(自身を除く): 526856960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 61, 64, 65, 70, 73, 80, 91, 104, 112, 122, 128, 130, 140, 146, 160, 182, 208, 224, 244, 260, 280, 292, 305, 320, 364, 365, 416, 427, 448, 455, 488, 511, 520, 560, 584, 610, 640, 728, 730, 793, 832, 854, 896, 910, 949, 976, 1022, 1040, 1120, 1168, 1220, 1456, 1460, 1586, 1664, 1708, 1820, 1898, 1952, 2044, 2080, 2135, 2240, 2336, 2440, 2555, 2912, 2920, 3172, 3416, 3640, 3796, 3904, 3965, 4088, 4160, 4270, 4453, 4480, 4672, 4745, 4880, 5110, 5551, 5824, 5840, 6344, 6643, 6832, 7280, 7592, 7808, 7930, 8176, 8320, 8540, 8906, 9344, 9490, 9760, 10220, 11102, 11648, 11680, 12688, 13286, 13664, 14560, 15184, 15860, 16352, 17080, 17812, 18980, 19520, 20440, 22204, 22265, 23360, 25376, 26572, 27328, 27755, 29120, 30368, 31171, 31720, 32704, 33215, 34160, 35624, 37960, 39040, 40880, 44408, 44530, 46720, 50752, 53144, 54656, 55510, 57889, 58240, 60736, 62342, 63440, 65408, 66430, 68320, 71248, 75920, 81760, 88816, 89060, 101504, 106288, 111020, 115778, 121472, 124684, 126880, 132860, 136640, 142496, 151840, 155855, 163520, 177632, 178120, 212576, 222040, 231556, 249368, 253760, 265720, 273280, 284992, 289445, 303680, 311710, 327040, 355264, 356240, 405223, 425152, 444080, 463112, 498736, 507520, 531440, 569984, 578890, 607360, 623420, 710528, 712480, 810446, 850304, 888160, 926224, 997472, 1062880, 1157780, 1246840, 1424960, 1620892, 1776320, 1852448, 1994944, 2026115, 2125760, 2315560, 2493680, 2849920, 3241784, 3552640, 3704896, 3989888, 4052230, 4251520, 4631120, 4987360, 6483568, 7409792, 8104460, 9262240, 9974720, 12967136, 16208920, 18524480, 19949440, 25934272, 32417840, 37048960, 51868544, 64835680, 129671360, 259342720]

約数ペア:

[(1, 259342720), (2, 129671360), (4, 64835680), (5, 51868544), (7, 37048960), (8, 32417840), (10, 25934272), (13, 19949440), (14, 18524480), (16, 16208920), (20, 12967136), (26, 9974720), (28, 9262240), (32, 8104460), (35, 7409792), (40, 6483568), (52, 4987360), (56, 4631120), (61, 4251520), (64, 4052230), (65, 3989888), (70, 3704896), (73, 3552640), (80, 3241784), (91, 2849920), (104, 2493680), (112, 2315560), (122, 2125760), (128, 2026115), (130, 1994944), (140, 1852448), (146, 1776320), (160, 1620892), (182, 1424960), (208, 1246840), (224, 1157780), (244, 1062880), (260, 997472), (280, 926224), (292, 888160), (305, 850304), (320, 810446), (364, 712480), (365, 710528), (416, 623420), (427, 607360), (448, 578890), (455, 569984), (488, 531440), (511, 507520), (520, 498736), (560, 463112), (584, 444080), (610, 425152), (640, 405223), (728, 356240), (730, 355264), (793, 327040), (832, 311710), (854, 303680), (896, 289445), (910, 284992), (949, 273280), (976, 265720), (1022, 253760), (1040, 249368), (1120, 231556), (1168, 222040), (1220, 212576), (1456, 178120), (1460, 177632), (1586, 163520), (1664, 155855), (1708, 151840), (1820, 142496), (1898, 136640), (1952, 132860), (2044, 126880), (2080, 124684), (2135, 121472), (2240, 115778), (2336, 111020), (2440, 106288), (2555, 101504), (2912, 89060), (2920, 88816), (3172, 81760), (3416, 75920), (3640, 71248), (3796, 68320), (3904, 66430), (3965, 65408), (4088, 63440), (4160, 62342), (4270, 60736), (4453, 58240), (4480, 57889), (4672, 55510), (4745, 54656), (4880, 53144), (5110, 50752), (5551, 46720), (5824, 44530), (5840, 44408), (6344, 40880), (6643, 39040), (6832, 37960), (7280, 35624), (7592, 34160), (7808, 33215), (7930, 32704), (8176, 31720), (8320, 31171), (8540, 30368), (8906, 29120), (9344, 27755), (9490, 27328), (9760, 26572), (10220, 25376), (11102, 23360), (11648, 22265), (11680, 22204), (12688, 20440), (13286, 19520), (13664, 18980), (14560, 17812), (15184, 17080), (15860, 16352)]