281528520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 384

約数和(自身を含む): 1103155200

約数和(自身を除く): 821626680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 49, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 98, 104, 105, 116, 120, 127, 130, 140, 145, 147, 156, 168, 174, 182, 195, 196, 203, 210, 232, 245, 254, 260, 273, 280, 290, 294, 312, 348, 364, 377, 381, 390, 392, 406, 420, 435, 455, 490, 508, 520, 546, 580, 588, 609, 635, 637, 696, 728, 735, 754, 762, 780, 812, 840, 870, 889, 910, 980, 1015, 1016, 1092, 1131, 1160, 1176, 1218, 1270, 1274, 1365, 1421, 1470, 1508, 1524, 1560, 1624, 1651, 1740, 1778, 1820, 1885, 1905, 1911, 1960, 2030, 2184, 2262, 2436, 2540, 2548, 2639, 2667, 2730, 2842, 2940, 3016, 3045, 3048, 3185, 3302, 3480, 3556, 3640, 3683, 3770, 3810, 3822, 4060, 4263, 4445, 4524, 4872, 4953, 5080, 5096, 5278, 5334, 5460, 5655, 5684, 5880, 6090, 6223, 6370, 6604, 7105, 7112, 7366, 7540, 7620, 7644, 7917, 8120, 8255, 8526, 8890, 9048, 9555, 9906, 10556, 10668, 10920, 11049, 11310, 11368, 11557, 12180, 12446, 12740, 13195, 13208, 13335, 14210, 14732, 15080, 15240, 15288, 15834, 16510, 17052, 17780, 18415, 18473, 18669, 19110, 19812, 21112, 21315, 21336, 22098, 22620, 23114, 24360, 24765, 24892, 25480, 25781, 26390, 26670, 28420, 29464, 31115, 31668, 33020, 34104, 34671, 35560, 36830, 36946, 37338, 38220, 39585, 39624, 42630, 44196, 45240, 46228, 47879, 49530, 49784, 51562, 52780, 53340, 55245, 55419, 56840, 57785, 62230, 63336, 66040, 69342, 73660, 73892, 74676, 76440, 77343, 79170, 80899, 85260, 88392, 92365, 92456, 93345, 95758, 99060, 103124, 105560, 106680, 110490, 110838, 115570, 124460, 128905, 138684, 143637, 147320, 147784, 149352, 154686, 158340, 161798, 170520, 173355, 180467, 184730, 186690, 191516, 198120, 206248, 220980, 221676, 231140, 239395, 242697, 248920, 257810, 277095, 277368, 287274, 309372, 316680, 323596, 335153, 346710, 360934, 369460, 373380, 383032, 386715, 404495, 441960, 443352, 462280, 478790, 485394, 515620, 541401, 554190, 574548, 618744, 647192, 670306, 693420, 718185, 721868, 738920, 746760, 773430, 808990, 902335, 957580, 970788, 1005459, 1031240, 1082802, 1108380, 1149096, 1213485, 1340612, 1386840, 1436370, 1443736, 1546860, 1617980, 1675765, 1804670, 1915160, 1941576, 2010918, 2165604, 2216760, 2346071, 2426970, 2681224, 2707005, 2872740, 3093720, 3235960, 3351530, 3609340, 4021836, 4331208, 4692142, 4853940, 5027295, 5414010, 5745480, 6703060, 7038213, 7218680, 8043672, 9384284, 9707880, 10054590, 10828020, 11730355, 13406120, 14076426, 18768568, 20109180, 21656040, 23460710, 28152852, 35191065, 40218360, 46921420, 56305704, 70382130, 93842840, 140764260, 281528520]

約数ペア:

[(1, 281528520), (2, 140764260), (3, 93842840), (4, 70382130), (5, 56305704), (6, 46921420), (7, 40218360), (8, 35191065), (10, 28152852), (12, 23460710), (13, 21656040), (14, 20109180), (15, 18768568), (20, 14076426), (21, 13406120), (24, 11730355), (26, 10828020), (28, 10054590), (29, 9707880), (30, 9384284), (35, 8043672), (39, 7218680), (40, 7038213), (42, 6703060), (49, 5745480), (52, 5414010), (56, 5027295), (58, 4853940), (60, 4692142), (65, 4331208), (70, 4021836), (78, 3609340), (84, 3351530), (87, 3235960), (91, 3093720), (98, 2872740), (104, 2707005), (105, 2681224), (116, 2426970), (120, 2346071), (127, 2216760), (130, 2165604), (140, 2010918), (145, 1941576), (147, 1915160), (156, 1804670), (168, 1675765), (174, 1617980), (182, 1546860), (195, 1443736), (196, 1436370), (203, 1386840), (210, 1340612), (232, 1213485), (245, 1149096), (254, 1108380), (260, 1082802), (273, 1031240), (280, 1005459), (290, 970788), (294, 957580), (312, 902335), (348, 808990), (364, 773430), (377, 746760), (381, 738920), (390, 721868), (392, 718185), (406, 693420), (420, 670306), (435, 647192), (455, 618744), (490, 574548), (508, 554190), (520, 541401), (546, 515620), (580, 485394), (588, 478790), (609, 462280), (635, 443352), (637, 441960), (696, 404495), (728, 386715), (735, 383032), (754, 373380), (762, 369460), (780, 360934), (812, 346710), (840, 335153), (870, 323596), (889, 316680), (910, 309372), (980, 287274), (1015, 277368), (1016, 277095), (1092, 257810), (1131, 248920), (1160, 242697), (1176, 239395), (1218, 231140), (1270, 221676), (1274, 220980), (1365, 206248), (1421, 198120), (1470, 191516), (1508, 186690), (1524, 184730), (1560, 180467), (1624, 173355), (1651, 170520), (1740, 161798), (1778, 158340), (1820, 154686), (1885, 149352), (1905, 147784), (1911, 147320), (1960, 143637), (2030, 138684), (2184, 128905), (2262, 124460), (2436, 115570), (2540, 110838), (2548, 110490), (2639, 106680), (2667, 105560), (2730, 103124), (2842, 99060), (2940, 95758), (3016, 93345), (3045, 92456), (3048, 92365), (3185, 88392), (3302, 85260), (3480, 80899), (3556, 79170), (3640, 77343), (3683, 76440), (3770, 74676), (3810, 73892), (3822, 73660), (4060, 69342), (4263, 66040), (4445, 63336), (4524, 62230), (4872, 57785), (4953, 56840), (5080, 55419), (5096, 55245), (5278, 53340), (5334, 52780), (5460, 51562), (5655, 49784), (5684, 49530), (5880, 47879), (6090, 46228), (6223, 45240), (6370, 44196), (6604, 42630), (7105, 39624), (7112, 39585), (7366, 38220), (7540, 37338), (7620, 36946), (7644, 36830), (7917, 35560), (8120, 34671), (8255, 34104), (8526, 33020), (8890, 31668), (9048, 31115), (9555, 29464), (9906, 28420), (10556, 26670), (10668, 26390), (10920, 25781), (11049, 25480), (11310, 24892), (11368, 24765), (11557, 24360), (12180, 23114), (12446, 22620), (12740, 22098), (13195, 21336), (13208, 21315), (13335, 21112), (14210, 19812), (14732, 19110), (15080, 18669), (15240, 18473), (15288, 18415), (15834, 17780), (16510, 17052)]