68747280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 160

約数和(自身を含む): 246079488

約数和(自身を除く): 177332208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 151, 168, 210, 240, 271, 280, 302, 336, 420, 453, 542, 560, 604, 755, 813, 840, 906, 1057, 1084, 1208, 1355, 1510, 1626, 1680, 1812, 1897, 2114, 2168, 2265, 2416, 2710, 3020, 3171, 3252, 3624, 3794, 4065, 4228, 4336, 4530, 5285, 5420, 5691, 6040, 6342, 6504, 7248, 7588, 8130, 8456, 9060, 9485, 10570, 10840, 11382, 12080, 12684, 13008, 15176, 15855, 16260, 16912, 18120, 18970, 21140, 21680, 22764, 25368, 28455, 30352, 31710, 32520, 36240, 37940, 40921, 42280, 45528, 50736, 56910, 63420, 65040, 75880, 81842, 84560, 91056, 113820, 122763, 126840, 151760, 163684, 204605, 227640, 245526, 253680, 286447, 327368, 409210, 455280, 491052, 572894, 613815, 654736, 818420, 859341, 982104, 1145788, 1227630, 1432235, 1636840, 1718682, 1964208, 2291576, 2455260, 2864470, 3273680, 3437364, 4296705, 4583152, 4910520, 5728940, 6874728, 8593410, 9821040, 11457880, 13749456, 17186820, 22915760, 34373640, 68747280]

約数ペア:

[(1, 68747280), (2, 34373640), (3, 22915760), (4, 17186820), (5, 13749456), (6, 11457880), (7, 9821040), (8, 8593410), (10, 6874728), (12, 5728940), (14, 4910520), (15, 4583152), (16, 4296705), (20, 3437364), (21, 3273680), (24, 2864470), (28, 2455260), (30, 2291576), (35, 1964208), (40, 1718682), (42, 1636840), (48, 1432235), (56, 1227630), (60, 1145788), (70, 982104), (80, 859341), (84, 818420), (105, 654736), (112, 613815), (120, 572894), (140, 491052), (151, 455280), (168, 409210), (210, 327368), (240, 286447), (271, 253680), (280, 245526), (302, 227640), (336, 204605), (420, 163684), (453, 151760), (542, 126840), (560, 122763), (604, 113820), (755, 91056), (813, 84560), (840, 81842), (906, 75880), (1057, 65040), (1084, 63420), (1208, 56910), (1355, 50736), (1510, 45528), (1626, 42280), (1680, 40921), (1812, 37940), (1897, 36240), (2114, 32520), (2168, 31710), (2265, 30352), (2416, 28455), (2710, 25368), (3020, 22764), (3171, 21680), (3252, 21140), (3624, 18970), (3794, 18120), (4065, 16912), (4228, 16260), (4336, 15855), (4530, 15176), (5285, 13008), (5420, 12684), (5691, 12080), (6040, 11382), (6342, 10840), (6504, 10570), (7248, 9485), (7588, 9060), (8130, 8456)]