87176960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 233506560

約数和(自身を除く): 146329600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 169, 208, 248, 256, 260, 310, 320, 338, 403, 416, 496, 520, 620, 640, 676, 806, 832, 845, 992, 1040, 1240, 1280, 1352, 1612, 1664, 1690, 1984, 2015, 2080, 2197, 2480, 2704, 3224, 3328, 3380, 3968, 4030, 4160, 4394, 4960, 5239, 5408, 6448, 6760, 7936, 8060, 8320, 8788, 9920, 10478, 10816, 10985, 12896, 13520, 16120, 16640, 17576, 19840, 20956, 21632, 21970, 25792, 26195, 27040, 32240, 35152, 39680, 41912, 43264, 43940, 51584, 52390, 54080, 64480, 68107, 70304, 83824, 87880, 103168, 104780, 108160, 128960, 136214, 140608, 167648, 175760, 209560, 216320, 257920, 272428, 281216, 335296, 340535, 351520, 419120, 515840, 544856, 562432, 670592, 681070, 703040, 838240, 1089712, 1341184, 1362140, 1406080, 1676480, 2179424, 2724280, 2812160, 3352960, 4358848, 5448560, 6705920, 8717696, 10897120, 17435392, 21794240, 43588480, 87176960]

約数ペア:

[(1, 87176960), (2, 43588480), (4, 21794240), (5, 17435392), (8, 10897120), (10, 8717696), (13, 6705920), (16, 5448560), (20, 4358848), (26, 3352960), (31, 2812160), (32, 2724280), (40, 2179424), (52, 1676480), (62, 1406080), (64, 1362140), (65, 1341184), (80, 1089712), (104, 838240), (124, 703040), (128, 681070), (130, 670592), (155, 562432), (160, 544856), (169, 515840), (208, 419120), (248, 351520), (256, 340535), (260, 335296), (310, 281216), (320, 272428), (338, 257920), (403, 216320), (416, 209560), (496, 175760), (520, 167648), (620, 140608), (640, 136214), (676, 128960), (806, 108160), (832, 104780), (845, 103168), (992, 87880), (1040, 83824), (1240, 70304), (1280, 68107), (1352, 64480), (1612, 54080), (1664, 52390), (1690, 51584), (1984, 43940), (2015, 43264), (2080, 41912), (2197, 39680), (2480, 35152), (2704, 32240), (3224, 27040), (3328, 26195), (3380, 25792), (3968, 21970), (4030, 21632), (4160, 20956), (4394, 19840), (4960, 17576), (5239, 16640), (5408, 16120), (6448, 13520), (6760, 12896), (7936, 10985), (8060, 10816), (8320, 10478), (8788, 9920)]