51807840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 192

約数和(自身を含む): 197697024

約数和(自身を除く): 145889184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 907, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1814, 1904, 2040, 2380, 2720, 2721, 2856, 3360, 3570, 3628, 3808, 4080, 4535, 4760, 5442, 5712, 6349, 7140, 7256, 8160, 9070, 9520, 10884, 11424, 12698, 13605, 14280, 14512, 15419, 18140, 19040, 19047, 21768, 25396, 27210, 28560, 29024, 30838, 31745, 36280, 38094, 43536, 46257, 50792, 54420, 57120, 61676, 63490, 72560, 76188, 77095, 87072, 92514, 95235, 101584, 107933, 108840, 123352, 126980, 145120, 152376, 154190, 185028, 190470, 203168, 215866, 217680, 231285, 246704, 253960, 304752, 308380, 323799, 370056, 380940, 431732, 435360, 462570, 493408, 507920, 539665, 609504, 616760, 647598, 740112, 761880, 863464, 925140, 1015840, 1079330, 1233520, 1295196, 1480224, 1523760, 1618995, 1726928, 1850280, 2158660, 2467040, 2590392, 3047520, 3237990, 3453856, 3700560, 4317320, 5180784, 6475980, 7401120, 8634640, 10361568, 12951960, 17269280, 25903920, 51807840]

約数ペア:

[(1, 51807840), (2, 25903920), (3, 17269280), (4, 12951960), (5, 10361568), (6, 8634640), (7, 7401120), (8, 6475980), (10, 5180784), (12, 4317320), (14, 3700560), (15, 3453856), (16, 3237990), (17, 3047520), (20, 2590392), (21, 2467040), (24, 2158660), (28, 1850280), (30, 1726928), (32, 1618995), (34, 1523760), (35, 1480224), (40, 1295196), (42, 1233520), (48, 1079330), (51, 1015840), (56, 925140), (60, 863464), (68, 761880), (70, 740112), (80, 647598), (84, 616760), (85, 609504), (96, 539665), (102, 507920), (105, 493408), (112, 462570), (119, 435360), (120, 431732), (136, 380940), (140, 370056), (160, 323799), (168, 308380), (170, 304752), (204, 253960), (210, 246704), (224, 231285), (238, 217680), (240, 215866), (255, 203168), (272, 190470), (280, 185028), (336, 154190), (340, 152376), (357, 145120), (408, 126980), (420, 123352), (476, 108840), (480, 107933), (510, 101584), (544, 95235), (560, 92514), (595, 87072), (672, 77095), (680, 76188), (714, 72560), (816, 63490), (840, 61676), (907, 57120), (952, 54420), (1020, 50792), (1120, 46257), (1190, 43536), (1360, 38094), (1428, 36280), (1632, 31745), (1680, 30838), (1785, 29024), (1814, 28560), (1904, 27210), (2040, 25396), (2380, 21768), (2720, 19047), (2721, 19040), (2856, 18140), (3360, 15419), (3570, 14512), (3628, 14280), (3808, 13605), (4080, 12698), (4535, 11424), (4760, 10884), (5442, 9520), (5712, 9070), (6349, 8160), (7140, 7256)]