317530640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 160

約数和(自身を含む): 893514240

約数和(自身を除く): 575983600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 89, 92, 112, 115, 140, 161, 178, 184, 230, 277, 280, 322, 356, 368, 445, 460, 554, 560, 623, 644, 712, 805, 890, 920, 1108, 1246, 1288, 1385, 1424, 1610, 1780, 1840, 1939, 2047, 2216, 2492, 2576, 2770, 3115, 3220, 3560, 3878, 4094, 4432, 4984, 5540, 6230, 6371, 6440, 7120, 7756, 8188, 9695, 9968, 10235, 11080, 12460, 12742, 12880, 14329, 15512, 16376, 19390, 20470, 22160, 24653, 24920, 25484, 28658, 31024, 31855, 32752, 38780, 40940, 44597, 49306, 49840, 50968, 57316, 63710, 71645, 77560, 81880, 89194, 98612, 101936, 114632, 123265, 127420, 143290, 155120, 163760, 172571, 178388, 197224, 222985, 229264, 246530, 254840, 286580, 345142, 356776, 394448, 445970, 493060, 509680, 567019, 573160, 690284, 713552, 862855, 891940, 986120, 1134038, 1146320, 1380568, 1725710, 1783880, 1972240, 2268076, 2761136, 2835095, 3451420, 3567760, 3969133, 4536152, 5670190, 6902840, 7938266, 9072304, 11340380, 13805680, 15876532, 19845665, 22680760, 31753064, 39691330, 45361520, 63506128, 79382660, 158765320, 317530640]

約数ペア:

[(1, 317530640), (2, 158765320), (4, 79382660), (5, 63506128), (7, 45361520), (8, 39691330), (10, 31753064), (14, 22680760), (16, 19845665), (20, 15876532), (23, 13805680), (28, 11340380), (35, 9072304), (40, 7938266), (46, 6902840), (56, 5670190), (70, 4536152), (80, 3969133), (89, 3567760), (92, 3451420), (112, 2835095), (115, 2761136), (140, 2268076), (161, 1972240), (178, 1783880), (184, 1725710), (230, 1380568), (277, 1146320), (280, 1134038), (322, 986120), (356, 891940), (368, 862855), (445, 713552), (460, 690284), (554, 573160), (560, 567019), (623, 509680), (644, 493060), (712, 445970), (805, 394448), (890, 356776), (920, 345142), (1108, 286580), (1246, 254840), (1288, 246530), (1385, 229264), (1424, 222985), (1610, 197224), (1780, 178388), (1840, 172571), (1939, 163760), (2047, 155120), (2216, 143290), (2492, 127420), (2576, 123265), (2770, 114632), (3115, 101936), (3220, 98612), (3560, 89194), (3878, 81880), (4094, 77560), (4432, 71645), (4984, 63710), (5540, 57316), (6230, 50968), (6371, 49840), (6440, 49306), (7120, 44597), (7756, 40940), (8188, 38780), (9695, 32752), (9968, 31855), (10235, 31024), (11080, 28658), (12460, 25484), (12742, 24920), (12880, 24653), (14329, 22160), (15512, 20470), (16376, 19390)]