263207360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 168

約数和(自身を含む): 705038976

約数和(自身を除く): 441831616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 157, 160, 169, 208, 248, 260, 310, 314, 320, 338, 403, 416, 496, 520, 620, 628, 676, 785, 806, 832, 845, 992, 1040, 1240, 1256, 1352, 1570, 1612, 1690, 1984, 2015, 2041, 2080, 2480, 2512, 2704, 3140, 3224, 3380, 4030, 4082, 4160, 4867, 4960, 5024, 5239, 5408, 6280, 6448, 6760, 8060, 8164, 9734, 9920, 10048, 10205, 10478, 10816, 12560, 12896, 13520, 16120, 16328, 19468, 20410, 20956, 24335, 25120, 25792, 26195, 26533, 27040, 32240, 32656, 38936, 40820, 41912, 48670, 50240, 52390, 53066, 54080, 63271, 64480, 65312, 77872, 81640, 83824, 97340, 104780, 106132, 126542, 128960, 130624, 132665, 155744, 163280, 167648, 194680, 209560, 212264, 253084, 265330, 311488, 316355, 326560, 335296, 389360, 419120, 424528, 506168, 530660, 632710, 653120, 778720, 822523, 838240, 849056, 1012336, 1061320, 1265420, 1557440, 1645046, 1676480, 1698112, 2024672, 2122640, 2530840, 3290092, 4049344, 4112615, 4245280, 5061680, 6580184, 8225230, 8490560, 10123360, 13160368, 16450460, 20246720, 26320736, 32900920, 52641472, 65801840, 131603680, 263207360]

約数ペア:

[(1, 263207360), (2, 131603680), (4, 65801840), (5, 52641472), (8, 32900920), (10, 26320736), (13, 20246720), (16, 16450460), (20, 13160368), (26, 10123360), (31, 8490560), (32, 8225230), (40, 6580184), (52, 5061680), (62, 4245280), (64, 4112615), (65, 4049344), (80, 3290092), (104, 2530840), (124, 2122640), (130, 2024672), (155, 1698112), (157, 1676480), (160, 1645046), (169, 1557440), (208, 1265420), (248, 1061320), (260, 1012336), (310, 849056), (314, 838240), (320, 822523), (338, 778720), (403, 653120), (416, 632710), (496, 530660), (520, 506168), (620, 424528), (628, 419120), (676, 389360), (785, 335296), (806, 326560), (832, 316355), (845, 311488), (992, 265330), (1040, 253084), (1240, 212264), (1256, 209560), (1352, 194680), (1570, 167648), (1612, 163280), (1690, 155744), (1984, 132665), (2015, 130624), (2041, 128960), (2080, 126542), (2480, 106132), (2512, 104780), (2704, 97340), (3140, 83824), (3224, 81640), (3380, 77872), (4030, 65312), (4082, 64480), (4160, 63271), (4867, 54080), (4960, 53066), (5024, 52390), (5239, 50240), (5408, 48670), (6280, 41912), (6448, 40820), (6760, 38936), (8060, 32656), (8164, 32240), (9734, 27040), (9920, 26533), (10048, 26195), (10205, 25792), (10478, 25120), (10816, 24335), (12560, 20956), (12896, 20410), (13520, 19468), (16120, 16328)]