278517330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1161

約数の個数: 192

約数和(自身を含む): 920844288

約数和(自身を除く): 642326958

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 155, 182, 186, 195, 210, 217, 234, 273, 279, 310, 315, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 806, 819, 910, 930, 1085, 1097, 1170, 1209, 1302, 1365, 1395, 1638, 1953, 2015, 2170, 2194, 2418, 2730, 2790, 2821, 3255, 3291, 3627, 3906, 4030, 4095, 5485, 5642, 6045, 6510, 6582, 7254, 7679, 8190, 8463, 9765, 9873, 10970, 12090, 14105, 14261, 15358, 16455, 16926, 18135, 19530, 19746, 23037, 25389, 28210, 28522, 32910, 34007, 36270, 38395, 42315, 42783, 46074, 49365, 50778, 68014, 69111, 71305, 76790, 84630, 85566, 98730, 99827, 102021, 115185, 126945, 128349, 138222, 142610, 170035, 199654, 204042, 213915, 230370, 238049, 253890, 256698, 299481, 306063, 340070, 345555, 427830, 442091, 476098, 499135, 510105, 598962, 612126, 641745, 691110, 714147, 884182, 898443, 998270, 1020210, 1190245, 1283490, 1326273, 1428294, 1497405, 1530315, 1796886, 2142441, 2210455, 2380490, 2652546, 2994810, 3060630, 3094637, 3570735, 3978819, 4284882, 4420910, 4492215, 6189274, 6631365, 7141470, 7957638, 8984430, 9283911, 10712205, 13262730, 15473185, 18567822, 19894095, 21424410, 27851733, 30946370, 39788190, 46419555, 55703466, 92839110, 139258665, 278517330]

約数ペア:

[(1, 278517330), (2, 139258665), (3, 92839110), (5, 55703466), (6, 46419555), (7, 39788190), (9, 30946370), (10, 27851733), (13, 21424410), (14, 19894095), (15, 18567822), (18, 15473185), (21, 13262730), (26, 10712205), (30, 9283911), (31, 8984430), (35, 7957638), (39, 7141470), (42, 6631365), (45, 6189274), (62, 4492215), (63, 4420910), (65, 4284882), (70, 3978819), (78, 3570735), (90, 3094637), (91, 3060630), (93, 2994810), (105, 2652546), (117, 2380490), (126, 2210455), (130, 2142441), (155, 1796886), (182, 1530315), (186, 1497405), (195, 1428294), (210, 1326273), (217, 1283490), (234, 1190245), (273, 1020210), (279, 998270), (310, 898443), (315, 884182), (390, 714147), (403, 691110), (434, 641745), (455, 612126), (465, 598962), (546, 510105), (558, 499135), (585, 476098), (630, 442091), (651, 427830), (806, 345555), (819, 340070), (910, 306063), (930, 299481), (1085, 256698), (1097, 253890), (1170, 238049), (1209, 230370), (1302, 213915), (1365, 204042), (1395, 199654), (1638, 170035), (1953, 142610), (2015, 138222), (2170, 128349), (2194, 126945), (2418, 115185), (2730, 102021), (2790, 99827), (2821, 98730), (3255, 85566), (3291, 84630), (3627, 76790), (3906, 71305), (4030, 69111), (4095, 68014), (5485, 50778), (5642, 49365), (6045, 46074), (6510, 42783), (6582, 42315), (7254, 38395), (7679, 36270), (8190, 34007), (8463, 32910), (9765, 28522), (9873, 28210), (10970, 25389), (12090, 23037), (14105, 19746), (14261, 19530), (15358, 18135), (16455, 16926)]