255986640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3907}}^1$

素因数の和:3946

約数の個数: 240

約数和(自身を含む): 1058348928

約数和(自身を除く): 802362288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 3907, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 7814, 8190, 9360, 10920, 11721, 13104, 15628, 16380, 19535, 21840, 23442, 27349, 31256, 32760, 35163, 39070, 46884, 50791, 54698, 58605, 62512, 65520, 70326, 78140, 82047, 93768, 101582, 109396, 117210, 136745, 140652, 152373, 156280, 164094, 175815, 187536, 203164, 218792, 234420, 246141, 253955, 273490, 281304, 304746, 312560, 328188, 351630, 355537, 406328, 410235, 437584, 457119, 468840, 492282, 507910, 546980, 562608, 609492, 656376, 703260, 711074, 761865, 812656, 820470, 914238, 937680, 984564, 1015820, 1066611, 1093960, 1218984, 1230705, 1312752, 1406520, 1422148, 1523730, 1640940, 1777685, 1828476, 1969128, 2031640, 2133222, 2187920, 2285595, 2437968, 2461410, 2813040, 2844296, 3047460, 3199833, 3281880, 3555370, 3656952, 3938256, 4063280, 4266444, 4571190, 4922820, 5333055, 5688592, 6094920, 6399666, 6563760, 7110740, 7313904, 8532888, 9142380, 9845640, 10666110, 12189840, 12799332, 14221480, 15999165, 17065776, 18284760, 19691280, 21332220, 25598664, 28442960, 31998330, 36569520, 42664440, 51197328, 63996660, 85328880, 127993320, 255986640]

約数ペア:

[(1, 255986640), (2, 127993320), (3, 85328880), (4, 63996660), (5, 51197328), (6, 42664440), (7, 36569520), (8, 31998330), (9, 28442960), (10, 25598664), (12, 21332220), (13, 19691280), (14, 18284760), (15, 17065776), (16, 15999165), (18, 14221480), (20, 12799332), (21, 12189840), (24, 10666110), (26, 9845640), (28, 9142380), (30, 8532888), (35, 7313904), (36, 7110740), (39, 6563760), (40, 6399666), (42, 6094920), (45, 5688592), (48, 5333055), (52, 4922820), (56, 4571190), (60, 4266444), (63, 4063280), (65, 3938256), (70, 3656952), (72, 3555370), (78, 3281880), (80, 3199833), (84, 3047460), (90, 2844296), (91, 2813040), (104, 2461410), (105, 2437968), (112, 2285595), (117, 2187920), (120, 2133222), (126, 2031640), (130, 1969128), (140, 1828476), (144, 1777685), (156, 1640940), (168, 1523730), (180, 1422148), (182, 1406520), (195, 1312752), (208, 1230705), (210, 1218984), (234, 1093960), (240, 1066611), (252, 1015820), (260, 984564), (273, 937680), (280, 914238), (312, 820470), (315, 812656), (336, 761865), (360, 711074), (364, 703260), (390, 656376), (420, 609492), (455, 562608), (468, 546980), (504, 507910), (520, 492282), (546, 468840), (560, 457119), (585, 437584), (624, 410235), (630, 406328), (720, 355537), (728, 351630), (780, 328188), (819, 312560), (840, 304746), (910, 281304), (936, 273490), (1008, 253955), (1040, 246141), (1092, 234420), (1170, 218792), (1260, 203164), (1365, 187536), (1456, 175815), (1560, 164094), (1638, 156280), (1680, 152373), (1820, 140652), (1872, 136745), (2184, 117210), (2340, 109396), (2520, 101582), (2730, 93768), (3120, 82047), (3276, 78140), (3640, 70326), (3907, 65520), (4095, 62512), (4368, 58605), (4680, 54698), (5040, 50791), (5460, 46884), (6552, 39070), (7280, 35163), (7814, 32760), (8190, 31256), (9360, 27349), (10920, 23442), (11721, 21840), (13104, 19535), (15628, 16380)]