278221440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:319

約数の個数: 256

約数和(自身を含む): 1027768320

約数和(自身を除く): 749546880

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, 127, 128, 140, 160, 163, 168, 192, 210, 224, 240, 254, 280, 320, 326, 336, 381, 384, 420, 448, 480, 489, 508, 560, 635, 640, 652, 672, 762, 815, 840, 889, 896, 960, 978, 1016, 1120, 1141, 1270, 1304, 1344, 1524, 1630, 1680, 1778, 1905, 1920, 1956, 2032, 2240, 2282, 2445, 2540, 2608, 2667, 2688, 3048, 3260, 3360, 3423, 3556, 3810, 3912, 4064, 4445, 4480, 4564, 4890, 5080, 5216, 5334, 5705, 6096, 6520, 6720, 6846, 7112, 7620, 7824, 8128, 8890, 9128, 9780, 10160, 10432, 10668, 11410, 12192, 13040, 13335, 13440, 13692, 14224, 15240, 15648, 16256, 17115, 17780, 18256, 19560, 20320, 20701, 20864, 21336, 22820, 24384, 26080, 26670, 27384, 28448, 30480, 31296, 34230, 35560, 36512, 39120, 40640, 41402, 42672, 45640, 48768, 52160, 53340, 54768, 56896, 60960, 62103, 62592, 68460, 71120, 73024, 78240, 81280, 82804, 85344, 91280, 103505, 104320, 106680, 109536, 113792, 121920, 124206, 136920, 142240, 144907, 146048, 156480, 165608, 170688, 182560, 207010, 213360, 219072, 243840, 248412, 273840, 284480, 289814, 310515, 312960, 331216, 341376, 365120, 414020, 426720, 434721, 438144, 496824, 547680, 568960, 579628, 621030, 662432, 724535, 730240, 828040, 853440, 869442, 993648, 1095360, 1159256, 1242060, 1324864, 1449070, 1656080, 1706880, 1738884, 1987296, 2173605, 2190720, 2318512, 2484120, 2649728, 2898140, 3312160, 3477768, 3974592, 4347210, 4637024, 4968240, 5796280, 6624320, 6955536, 7949184, 8694420, 9274048, 9936480, 11592560, 13248640, 13911072, 17388840, 18548096, 19872960, 23185120, 27822144, 34777680, 39745920, 46370240, 55644288, 69555360, 92740480, 139110720, 278221440]

約数ペア:

[(1, 278221440), (2, 139110720), (3, 92740480), (4, 69555360), (5, 55644288), (6, 46370240), (7, 39745920), (8, 34777680), (10, 27822144), (12, 23185120), (14, 19872960), (15, 18548096), (16, 17388840), (20, 13911072), (21, 13248640), (24, 11592560), (28, 9936480), (30, 9274048), (32, 8694420), (35, 7949184), (40, 6955536), (42, 6624320), (48, 5796280), (56, 4968240), (60, 4637024), (64, 4347210), (70, 3974592), (80, 3477768), (84, 3312160), (96, 2898140), (105, 2649728), (112, 2484120), (120, 2318512), (127, 2190720), (128, 2173605), (140, 1987296), (160, 1738884), (163, 1706880), (168, 1656080), (192, 1449070), (210, 1324864), (224, 1242060), (240, 1159256), (254, 1095360), (280, 993648), (320, 869442), (326, 853440), (336, 828040), (381, 730240), (384, 724535), (420, 662432), (448, 621030), (480, 579628), (489, 568960), (508, 547680), (560, 496824), (635, 438144), (640, 434721), (652, 426720), (672, 414020), (762, 365120), (815, 341376), (840, 331216), (889, 312960), (896, 310515), (960, 289814), (978, 284480), (1016, 273840), (1120, 248412), (1141, 243840), (1270, 219072), (1304, 213360), (1344, 207010), (1524, 182560), (1630, 170688), (1680, 165608), (1778, 156480), (1905, 146048), (1920, 144907), (1956, 142240), (2032, 136920), (2240, 124206), (2282, 121920), (2445, 113792), (2540, 109536), (2608, 106680), (2667, 104320), (2688, 103505), (3048, 91280), (3260, 85344), (3360, 82804), (3423, 81280), (3556, 78240), (3810, 73024), (3912, 71120), (4064, 68460), (4445, 62592), (4480, 62103), (4564, 60960), (4890, 56896), (5080, 54768), (5216, 53340), (5334, 52160), (5705, 48768), (6096, 45640), (6520, 42672), (6720, 41402), (6846, 40640), (7112, 39120), (7620, 36512), (7824, 35560), (8128, 34230), (8890, 31296), (9128, 30480), (9780, 28448), (10160, 27384), (10432, 26670), (10668, 26080), (11410, 24384), (12192, 22820), (13040, 21336), (13335, 20864), (13440, 20701), (13692, 20320), (14224, 19560), (15240, 18256), (15648, 17780), (16256, 17115)]