158778880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1$

素因数の和:416

約数の個数: 120

約数和(自身を含む): 413357472

約数和(自身を除く): 254578592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 367, 416, 512, 520, 640, 676, 734, 832, 845, 1040, 1280, 1352, 1468, 1664, 1690, 1835, 2080, 2560, 2704, 2936, 3328, 3380, 3670, 4160, 4771, 5408, 5872, 6656, 6760, 7340, 8320, 9542, 10816, 11744, 13520, 14680, 16640, 19084, 21632, 23488, 23855, 27040, 29360, 33280, 38168, 43264, 46976, 47710, 54080, 58720, 62023, 76336, 86528, 93952, 95420, 108160, 117440, 124046, 152672, 187904, 190840, 216320, 234880, 248092, 305344, 310115, 381680, 432640, 469760, 496184, 610688, 620230, 763360, 939520, 992368, 1221376, 1240460, 1526720, 1984736, 2442752, 2480920, 3053440, 3969472, 4961840, 6106880, 7938944, 9923680, 12213760, 15877888, 19847360, 31755776, 39694720, 79389440, 158778880]

約数ペア:

[(1, 158778880), (2, 79389440), (4, 39694720), (5, 31755776), (8, 19847360), (10, 15877888), (13, 12213760), (16, 9923680), (20, 7938944), (26, 6106880), (32, 4961840), (40, 3969472), (52, 3053440), (64, 2480920), (65, 2442752), (80, 1984736), (104, 1526720), (128, 1240460), (130, 1221376), (160, 992368), (169, 939520), (208, 763360), (256, 620230), (260, 610688), (320, 496184), (338, 469760), (367, 432640), (416, 381680), (512, 310115), (520, 305344), (640, 248092), (676, 234880), (734, 216320), (832, 190840), (845, 187904), (1040, 152672), (1280, 124046), (1352, 117440), (1468, 108160), (1664, 95420), (1690, 93952), (1835, 86528), (2080, 76336), (2560, 62023), (2704, 58720), (2936, 54080), (3328, 47710), (3380, 46976), (3670, 43264), (4160, 38168), (4771, 33280), (5408, 29360), (5872, 27040), (6656, 23855), (6760, 23488), (7340, 21632), (8320, 19084), (9542, 16640), (10816, 14680), (11744, 13520)]