257182380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2243}}^1$

素因数の和:2285

約数の個数: 216

約数和(自身を含む): 977728752

約数和(自身を除く): 720546372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1911, 2205, 2243, 2340, 2548, 2730, 2940, 3185, 3276, 3822, 4095, 4410, 4486, 5460, 5733, 6370, 6729, 7644, 8190, 8820, 8972, 9555, 11215, 11466, 12740, 13458, 15701, 16380, 19110, 20187, 22430, 22932, 26916, 28665, 29159, 31402, 33645, 38220, 40374, 44860, 47103, 57330, 58318, 62804, 67290, 78505, 80748, 87477, 94206, 100935, 109907, 114660, 116636, 134580, 141309, 145795, 157010, 174954, 188412, 201870, 204113, 219814, 235515, 262431, 282618, 291590, 314020, 329721, 349908, 403740, 408226, 437385, 439628, 471030, 524862, 549535, 565236, 583180, 612339, 659442, 706545, 816452, 874770, 942060, 989163, 1020565, 1049724, 1099070, 1224678, 1312155, 1318884, 1413090, 1428791, 1648605, 1749540, 1837017, 1978326, 2041130, 2198140, 2449356, 2624310, 2826180, 2857582, 3061695, 3297210, 3674034, 3956652, 4082260, 4286373, 4945815, 5248620, 5715164, 6123390, 6594420, 7143955, 7348068, 8572746, 9185085, 9891630, 12246780, 12859119, 14287910, 17145492, 18370170, 19783260, 21431865, 25718238, 28575820, 36740340, 42863730, 51436476, 64295595, 85727460, 128591190, 257182380]

約数ペア:

[(1, 257182380), (2, 128591190), (3, 85727460), (4, 64295595), (5, 51436476), (6, 42863730), (7, 36740340), (9, 28575820), (10, 25718238), (12, 21431865), (13, 19783260), (14, 18370170), (15, 17145492), (18, 14287910), (20, 12859119), (21, 12246780), (26, 9891630), (28, 9185085), (30, 8572746), (35, 7348068), (36, 7143955), (39, 6594420), (42, 6123390), (45, 5715164), (49, 5248620), (52, 4945815), (60, 4286373), (63, 4082260), (65, 3956652), (70, 3674034), (78, 3297210), (84, 3061695), (90, 2857582), (91, 2826180), (98, 2624310), (105, 2449356), (117, 2198140), (126, 2041130), (130, 1978326), (140, 1837017), (147, 1749540), (156, 1648605), (180, 1428791), (182, 1413090), (195, 1318884), (196, 1312155), (210, 1224678), (234, 1099070), (245, 1049724), (252, 1020565), (260, 989163), (273, 942060), (294, 874770), (315, 816452), (364, 706545), (390, 659442), (420, 612339), (441, 583180), (455, 565236), (468, 549535), (490, 524862), (546, 471030), (585, 439628), (588, 437385), (630, 408226), (637, 403740), (735, 349908), (780, 329721), (819, 314020), (882, 291590), (910, 282618), (980, 262431), (1092, 235515), (1170, 219814), (1260, 204113), (1274, 201870), (1365, 188412), (1470, 174954), (1638, 157010), (1764, 145795), (1820, 141309), (1911, 134580), (2205, 116636), (2243, 114660), (2340, 109907), (2548, 100935), (2730, 94206), (2940, 87477), (3185, 80748), (3276, 78505), (3822, 67290), (4095, 62804), (4410, 58318), (4486, 57330), (5460, 47103), (5733, 44860), (6370, 40374), (6729, 38220), (7644, 33645), (8190, 31402), (8820, 29159), (8972, 28665), (9555, 26916), (11215, 22932), (11466, 22430), (12740, 20187), (13458, 19110), (15701, 16380)]