286741980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2668

約数の個数: 144

約数和(自身を含む): 1005600960

約数和(自身を除く): 718858980

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, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 2492, 2557, 2670, 3115, 3204, 3738, 4005, 5114, 5340, 5607, 6230, 7476, 7671, 8010, 9345, 10228, 11214, 12460, 12785, 15342, 16020, 17899, 18690, 22428, 23013, 25570, 28035, 30684, 35798, 37380, 38355, 46026, 51140, 53697, 56070, 71596, 76710, 89495, 92052, 107394, 112140, 115065, 153420, 161091, 178990, 214788, 227573, 230130, 268485, 322182, 357980, 455146, 460260, 536970, 644364, 682719, 805455, 910292, 1073940, 1137865, 1365438, 1593011, 1610910, 2048157, 2275730, 2730876, 3186022, 3221820, 3413595, 4096314, 4551460, 4779033, 6372044, 6827190, 7965055, 8192628, 9558066, 10240785, 13654380, 14337099, 15930110, 19116132, 20481570, 23895165, 28674198, 31860220, 40963140, 47790330, 57348396, 71685495, 95580660, 143370990, 286741980]

約数ペア:

[(1, 286741980), (2, 143370990), (3, 95580660), (4, 71685495), (5, 57348396), (6, 47790330), (7, 40963140), (9, 31860220), (10, 28674198), (12, 23895165), (14, 20481570), (15, 19116132), (18, 15930110), (20, 14337099), (21, 13654380), (28, 10240785), (30, 9558066), (35, 8192628), (36, 7965055), (42, 6827190), (45, 6372044), (60, 4779033), (63, 4551460), (70, 4096314), (84, 3413595), (89, 3221820), (90, 3186022), (105, 2730876), (126, 2275730), (140, 2048157), (178, 1610910), (180, 1593011), (210, 1365438), (252, 1137865), (267, 1073940), (315, 910292), (356, 805455), (420, 682719), (445, 644364), (534, 536970), (623, 460260), (630, 455146), (801, 357980), (890, 322182), (1068, 268485), (1246, 230130), (1260, 227573), (1335, 214788), (1602, 178990), (1780, 161091), (1869, 153420), (2492, 115065), (2557, 112140), (2670, 107394), (3115, 92052), (3204, 89495), (3738, 76710), (4005, 71596), (5114, 56070), (5340, 53697), (5607, 51140), (6230, 46026), (7476, 38355), (7671, 37380), (8010, 35798), (9345, 30684), (10228, 28035), (11214, 25570), (12460, 23013), (12785, 22428), (15342, 18690), (16020, 17899)]