81647160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 291755520

約数和(自身を除く): 210108360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 71, 74, 84, 105, 111, 120, 140, 142, 148, 168, 185, 210, 213, 222, 259, 280, 284, 296, 355, 370, 420, 426, 444, 497, 518, 555, 568, 710, 740, 777, 840, 852, 888, 994, 1036, 1065, 1110, 1295, 1369, 1420, 1480, 1491, 1554, 1704, 1988, 2072, 2130, 2220, 2485, 2590, 2627, 2738, 2840, 2982, 3108, 3885, 3976, 4107, 4260, 4440, 4970, 5180, 5254, 5476, 5964, 6216, 6845, 7455, 7770, 7881, 8214, 8520, 9583, 9940, 10360, 10508, 10952, 11928, 13135, 13690, 14910, 15540, 15762, 16428, 18389, 19166, 19880, 20535, 21016, 26270, 27380, 28749, 29820, 31080, 31524, 32856, 36778, 38332, 39405, 41070, 47915, 52540, 54760, 55167, 57498, 59640, 63048, 73556, 76664, 78810, 82140, 91945, 95830, 97199, 105080, 110334, 114996, 143745, 147112, 157620, 164280, 183890, 191660, 194398, 220668, 229992, 275835, 287490, 291597, 315240, 367780, 383320, 388796, 441336, 485995, 551670, 574980, 583194, 680393, 735560, 777592, 971990, 1103340, 1149960, 1166388, 1360786, 1457985, 1943980, 2041179, 2206680, 2332776, 2721572, 2915970, 3401965, 3887960, 4082358, 5443144, 5831940, 6803930, 8164716, 10205895, 11663880, 13607860, 16329432, 20411790, 27215720, 40823580, 81647160]

約数ペア:

[(1, 81647160), (2, 40823580), (3, 27215720), (4, 20411790), (5, 16329432), (6, 13607860), (7, 11663880), (8, 10205895), (10, 8164716), (12, 6803930), (14, 5831940), (15, 5443144), (20, 4082358), (21, 3887960), (24, 3401965), (28, 2915970), (30, 2721572), (35, 2332776), (37, 2206680), (40, 2041179), (42, 1943980), (56, 1457985), (60, 1360786), (70, 1166388), (71, 1149960), (74, 1103340), (84, 971990), (105, 777592), (111, 735560), (120, 680393), (140, 583194), (142, 574980), (148, 551670), (168, 485995), (185, 441336), (210, 388796), (213, 383320), (222, 367780), (259, 315240), (280, 291597), (284, 287490), (296, 275835), (355, 229992), (370, 220668), (420, 194398), (426, 191660), (444, 183890), (497, 164280), (518, 157620), (555, 147112), (568, 143745), (710, 114996), (740, 110334), (777, 105080), (840, 97199), (852, 95830), (888, 91945), (994, 82140), (1036, 78810), (1065, 76664), (1110, 73556), (1295, 63048), (1369, 59640), (1420, 57498), (1480, 55167), (1491, 54760), (1554, 52540), (1704, 47915), (1988, 41070), (2072, 39405), (2130, 38332), (2220, 36778), (2485, 32856), (2590, 31524), (2627, 31080), (2738, 29820), (2840, 28749), (2982, 27380), (3108, 26270), (3885, 21016), (3976, 20535), (4107, 19880), (4260, 19166), (4440, 18389), (4970, 16428), (5180, 15762), (5254, 15540), (5476, 14910), (5964, 13690), (6216, 13135), (6845, 11928), (7455, 10952), (7770, 10508), (7881, 10360), (8214, 9940), (8520, 9583)]