82871460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 290908800

約数和(自身を除く): 208037340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 739, 801, 890, 1068, 1246, 1260, 1335, 1478, 1602, 1780, 1869, 2217, 2492, 2670, 2956, 3115, 3204, 3695, 3738, 4005, 4434, 5173, 5340, 5607, 6230, 6651, 7390, 7476, 8010, 8868, 9345, 10346, 11085, 11214, 12460, 13302, 14780, 15519, 16020, 18690, 20692, 22170, 22428, 25865, 26604, 28035, 31038, 33255, 37380, 44340, 46557, 51730, 56070, 62076, 65771, 66510, 77595, 93114, 103460, 112140, 131542, 133020, 155190, 186228, 197313, 232785, 263084, 310380, 328855, 394626, 460397, 465570, 591939, 657710, 789252, 920794, 931140, 986565, 1183878, 1315420, 1381191, 1841588, 1973130, 2301985, 2367756, 2762382, 2959695, 3946260, 4143573, 4603970, 5524764, 5919390, 6905955, 8287146, 9207940, 11838780, 13811910, 16574292, 20717865, 27623820, 41435730, 82871460]

約数ペア:

[(1, 82871460), (2, 41435730), (3, 27623820), (4, 20717865), (5, 16574292), (6, 13811910), (7, 11838780), (9, 9207940), (10, 8287146), (12, 6905955), (14, 5919390), (15, 5524764), (18, 4603970), (20, 4143573), (21, 3946260), (28, 2959695), (30, 2762382), (35, 2367756), (36, 2301985), (42, 1973130), (45, 1841588), (60, 1381191), (63, 1315420), (70, 1183878), (84, 986565), (89, 931140), (90, 920794), (105, 789252), (126, 657710), (140, 591939), (178, 465570), (180, 460397), (210, 394626), (252, 328855), (267, 310380), (315, 263084), (356, 232785), (420, 197313), (445, 186228), (534, 155190), (623, 133020), (630, 131542), (739, 112140), (801, 103460), (890, 93114), (1068, 77595), (1246, 66510), (1260, 65771), (1335, 62076), (1478, 56070), (1602, 51730), (1780, 46557), (1869, 44340), (2217, 37380), (2492, 33255), (2670, 31038), (2956, 28035), (3115, 26604), (3204, 25865), (3695, 22428), (3738, 22170), (4005, 20692), (4434, 18690), (5173, 16020), (5340, 15519), (5607, 14780), (6230, 13302), (6651, 12460), (7390, 11214), (7476, 11085), (8010, 10346), (8868, 9345)]