31254240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 108864000

約数和(自身を除く): 77609760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 96, 114, 115, 120, 138, 149, 152, 160, 184, 190, 228, 230, 240, 276, 285, 298, 304, 345, 368, 380, 437, 447, 456, 460, 480, 552, 570, 596, 608, 690, 736, 745, 760, 874, 894, 912, 920, 1104, 1140, 1192, 1311, 1380, 1490, 1520, 1748, 1788, 1824, 1840, 2185, 2208, 2235, 2280, 2384, 2622, 2760, 2831, 2980, 3040, 3427, 3496, 3576, 3680, 4370, 4470, 4560, 4768, 5244, 5520, 5662, 5960, 6555, 6854, 6992, 7152, 8493, 8740, 8940, 9120, 10281, 10488, 11040, 11324, 11920, 13110, 13708, 13984, 14155, 14304, 16986, 17135, 17480, 17880, 20562, 20976, 22648, 23840, 26220, 27416, 28310, 33972, 34270, 34960, 35760, 41124, 41952, 42465, 45296, 51405, 52440, 54832, 56620, 65113, 67944, 68540, 69920, 71520, 82248, 84930, 90592, 102810, 104880, 109664, 113240, 130226, 135888, 137080, 164496, 169860, 195339, 205620, 209760, 226480, 260452, 271776, 274160, 325565, 328992, 339720, 390678, 411240, 452960, 520904, 548320, 651130, 679440, 781356, 822480, 976695, 1041808, 1302260, 1358880, 1562712, 1644960, 1953390, 2083616, 2604520, 3125424, 3906780, 5209040, 6250848, 7813560, 10418080, 15627120, 31254240]

約数ペア:

[(1, 31254240), (2, 15627120), (3, 10418080), (4, 7813560), (5, 6250848), (6, 5209040), (8, 3906780), (10, 3125424), (12, 2604520), (15, 2083616), (16, 1953390), (19, 1644960), (20, 1562712), (23, 1358880), (24, 1302260), (30, 1041808), (32, 976695), (38, 822480), (40, 781356), (46, 679440), (48, 651130), (57, 548320), (60, 520904), (69, 452960), (76, 411240), (80, 390678), (92, 339720), (95, 328992), (96, 325565), (114, 274160), (115, 271776), (120, 260452), (138, 226480), (149, 209760), (152, 205620), (160, 195339), (184, 169860), (190, 164496), (228, 137080), (230, 135888), (240, 130226), (276, 113240), (285, 109664), (298, 104880), (304, 102810), (345, 90592), (368, 84930), (380, 82248), (437, 71520), (447, 69920), (456, 68540), (460, 67944), (480, 65113), (552, 56620), (570, 54832), (596, 52440), (608, 51405), (690, 45296), (736, 42465), (745, 41952), (760, 41124), (874, 35760), (894, 34960), (912, 34270), (920, 33972), (1104, 28310), (1140, 27416), (1192, 26220), (1311, 23840), (1380, 22648), (1490, 20976), (1520, 20562), (1748, 17880), (1788, 17480), (1824, 17135), (1840, 16986), (2185, 14304), (2208, 14155), (2235, 13984), (2280, 13708), (2384, 13110), (2622, 11920), (2760, 11324), (2831, 11040), (2980, 10488), (3040, 10281), (3427, 9120), (3496, 8940), (3576, 8740), (3680, 8493), (4370, 7152), (4470, 6992), (4560, 6854), (4768, 6555), (5244, 5960), (5520, 5662)]