257020920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54919}}^1$

素因数の和:54949

約数の個数: 96

約数和(自身を含む): 899589600

約数和(自身を除く): 642568680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 54919, 109838, 164757, 219676, 274595, 329514, 439352, 494271, 549190, 659028, 713947, 823785, 988542, 1098380, 1318056, 1427894, 1647570, 1977084, 2141841, 2196760, 2471355, 2855788, 3295140, 3569735, 3954168, 4283682, 4942710, 5711576, 6425523, 6590280, 7139470, 8567364, 9885420, 10709205, 12851046, 14278940, 17134728, 19770840, 21418410, 25702092, 28557880, 32127615, 42836820, 51404184, 64255230, 85673640, 128510460, 257020920]

約数ペア:

[(1, 257020920), (2, 128510460), (3, 85673640), (4, 64255230), (5, 51404184), (6, 42836820), (8, 32127615), (9, 28557880), (10, 25702092), (12, 21418410), (13, 19770840), (15, 17134728), (18, 14278940), (20, 12851046), (24, 10709205), (26, 9885420), (30, 8567364), (36, 7139470), (39, 6590280), (40, 6425523), (45, 5711576), (52, 4942710), (60, 4283682), (65, 3954168), (72, 3569735), (78, 3295140), (90, 2855788), (104, 2471355), (117, 2196760), (120, 2141841), (130, 1977084), (156, 1647570), (180, 1427894), (195, 1318056), (234, 1098380), (260, 988542), (312, 823785), (360, 713947), (390, 659028), (468, 549190), (520, 494271), (585, 439352), (780, 329514), (936, 274595), (1170, 219676), (1560, 164757), (2340, 109838), (4680, 54919)]