661597440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 288

約数和(自身を含む): 2445735936

約数和(自身を除く): 1784138496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 151, 160, 163, 168, 192, 210, 224, 240, 256, 280, 302, 320, 326, 336, 384, 420, 448, 453, 480, 489, 560, 604, 640, 652, 672, 755, 768, 815, 840, 896, 906, 960, 978, 1057, 1120, 1141, 1208, 1280, 1304, 1344, 1510, 1630, 1680, 1792, 1812, 1920, 1956, 2114, 2240, 2265, 2282, 2416, 2445, 2608, 2688, 3020, 3171, 3260, 3360, 3423, 3624, 3840, 3912, 4228, 4480, 4530, 4564, 4832, 4890, 5216, 5285, 5376, 5705, 6040, 6342, 6520, 6720, 6846, 7248, 7824, 8456, 8960, 9060, 9128, 9664, 9780, 10432, 10570, 11410, 12080, 12684, 13040, 13440, 13692, 14496, 15648, 15855, 16912, 17115, 18120, 18256, 19328, 19560, 20864, 21140, 22820, 24160, 24613, 25368, 26080, 26880, 27384, 28992, 31296, 31710, 33824, 34230, 36240, 36512, 38656, 39120, 41728, 42280, 45640, 48320, 49226, 50736, 52160, 54768, 57984, 62592, 63420, 67648, 68460, 72480, 73024, 73839, 78240, 84560, 91280, 96640, 98452, 101472, 104320, 109536, 115968, 123065, 125184, 126840, 135296, 136920, 144960, 146048, 147678, 156480, 169120, 172291, 182560, 193280, 196904, 202944, 208640, 219072, 246130, 253680, 270592, 273840, 289920, 292096, 295356, 312960, 338240, 344582, 365120, 369195, 393808, 405888, 438144, 492260, 507360, 516873, 547680, 579840, 590712, 625920, 676480, 689164, 730240, 738390, 787616, 811776, 861455, 876288, 984520, 1014720, 1033746, 1095360, 1181424, 1352960, 1378328, 1460480, 1476780, 1575232, 1722910, 1969040, 2029440, 2067492, 2190720, 2362848, 2584365, 2756656, 2953560, 3150464, 3445820, 3938080, 4058880, 4134984, 4381440, 4725696, 5168730, 5513312, 5907120, 6300928, 6891640, 7876160, 8269968, 9451392, 10337460, 11026624, 11814240, 13783280, 15752320, 16539936, 18902784, 20674920, 22053248, 23628480, 27566560, 31504640, 33079872, 41349840, 44106496, 47256960, 55133120, 66159744, 82699680, 94513920, 110266240, 132319488, 165399360, 220532480, 330798720, 661597440]

約数ペア:

[(1, 661597440), (2, 330798720), (3, 220532480), (4, 165399360), (5, 132319488), (6, 110266240), (7, 94513920), (8, 82699680), (10, 66159744), (12, 55133120), (14, 47256960), (15, 44106496), (16, 41349840), (20, 33079872), (21, 31504640), (24, 27566560), (28, 23628480), (30, 22053248), (32, 20674920), (35, 18902784), (40, 16539936), (42, 15752320), (48, 13783280), (56, 11814240), (60, 11026624), (64, 10337460), (70, 9451392), (80, 8269968), (84, 7876160), (96, 6891640), (105, 6300928), (112, 5907120), (120, 5513312), (128, 5168730), (140, 4725696), (151, 4381440), (160, 4134984), (163, 4058880), (168, 3938080), (192, 3445820), (210, 3150464), (224, 2953560), (240, 2756656), (256, 2584365), (280, 2362848), (302, 2190720), (320, 2067492), (326, 2029440), (336, 1969040), (384, 1722910), (420, 1575232), (448, 1476780), (453, 1460480), (480, 1378328), (489, 1352960), (560, 1181424), (604, 1095360), (640, 1033746), (652, 1014720), (672, 984520), (755, 876288), (768, 861455), (815, 811776), (840, 787616), (896, 738390), (906, 730240), (960, 689164), (978, 676480), (1057, 625920), (1120, 590712), (1141, 579840), (1208, 547680), (1280, 516873), (1304, 507360), (1344, 492260), (1510, 438144), (1630, 405888), (1680, 393808), (1792, 369195), (1812, 365120), (1920, 344582), (1956, 338240), (2114, 312960), (2240, 295356), (2265, 292096), (2282, 289920), (2416, 273840), (2445, 270592), (2608, 253680), (2688, 246130), (3020, 219072), (3171, 208640), (3260, 202944), (3360, 196904), (3423, 193280), (3624, 182560), (3840, 172291), (3912, 169120), (4228, 156480), (4480, 147678), (4530, 146048), (4564, 144960), (4832, 136920), (4890, 135296), (5216, 126840), (5285, 125184), (5376, 123065), (5705, 115968), (6040, 109536), (6342, 104320), (6520, 101472), (6720, 98452), (6846, 96640), (7248, 91280), (7824, 84560), (8456, 78240), (8960, 73839), (9060, 73024), (9128, 72480), (9664, 68460), (9780, 67648), (10432, 63420), (10570, 62592), (11410, 57984), (12080, 54768), (12684, 52160), (13040, 50736), (13440, 49226), (13692, 48320), (14496, 45640), (15648, 42280), (15855, 41728), (16912, 39120), (17115, 38656), (18120, 36512), (18256, 36240), (19328, 34230), (19560, 33824), (20864, 31710), (21140, 31296), (22820, 28992), (24160, 27384), (24613, 26880), (25368, 26080)]