208778640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{823}}^1$

素因数の和:997

約数の個数: 160

約数和(自身を含む): 745476096

約数和(自身を除く): 536697456

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, 280, 302, 336, 420, 453, 560, 604, 755, 823, 840, 906, 1057, 1208, 1510, 1646, 1680, 1812, 2114, 2265, 2416, 2469, 3020, 3171, 3292, 3624, 4115, 4228, 4530, 4938, 5285, 5761, 6040, 6342, 6584, 7248, 8230, 8456, 9060, 9876, 10570, 11522, 12080, 12345, 12684, 13168, 15855, 16460, 16912, 17283, 18120, 19752, 21140, 23044, 24690, 25368, 28805, 31710, 32920, 34566, 36240, 39504, 42280, 46088, 49380, 50736, 57610, 63420, 65840, 69132, 84560, 86415, 92176, 98760, 115220, 124273, 126840, 138264, 172830, 197520, 230440, 248546, 253680, 276528, 345660, 372819, 460880, 497092, 621365, 691320, 745638, 869911, 994184, 1242730, 1382640, 1491276, 1739822, 1864095, 1988368, 2485460, 2609733, 2982552, 3479644, 3728190, 4349555, 4970920, 5219466, 5965104, 6959288, 7456380, 8699110, 9941840, 10438932, 13048665, 13918576, 14912760, 17398220, 20877864, 26097330, 29825520, 34796440, 41755728, 52194660, 69592880, 104389320, 208778640]

約数ペア:

[(1, 208778640), (2, 104389320), (3, 69592880), (4, 52194660), (5, 41755728), (6, 34796440), (7, 29825520), (8, 26097330), (10, 20877864), (12, 17398220), (14, 14912760), (15, 13918576), (16, 13048665), (20, 10438932), (21, 9941840), (24, 8699110), (28, 7456380), (30, 6959288), (35, 5965104), (40, 5219466), (42, 4970920), (48, 4349555), (56, 3728190), (60, 3479644), (70, 2982552), (80, 2609733), (84, 2485460), (105, 1988368), (112, 1864095), (120, 1739822), (140, 1491276), (151, 1382640), (168, 1242730), (210, 994184), (240, 869911), (280, 745638), (302, 691320), (336, 621365), (420, 497092), (453, 460880), (560, 372819), (604, 345660), (755, 276528), (823, 253680), (840, 248546), (906, 230440), (1057, 197520), (1208, 172830), (1510, 138264), (1646, 126840), (1680, 124273), (1812, 115220), (2114, 98760), (2265, 92176), (2416, 86415), (2469, 84560), (3020, 69132), (3171, 65840), (3292, 63420), (3624, 57610), (4115, 50736), (4228, 49380), (4530, 46088), (4938, 42280), (5285, 39504), (5761, 36240), (6040, 34566), (6342, 32920), (6584, 31710), (7248, 28805), (8230, 25368), (8456, 24690), (9060, 23044), (9876, 21140), (10570, 19752), (11522, 18120), (12080, 17283), (12345, 16912), (12684, 16460), (13168, 15855)]