91045760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 242645760

約数和(自身を除く): 151600000

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, 208, 248, 260, 310, 320, 353, 403, 416, 496, 520, 620, 640, 706, 806, 832, 992, 1040, 1240, 1412, 1612, 1664, 1765, 1984, 2015, 2080, 2480, 2824, 3224, 3530, 3968, 4030, 4160, 4589, 4960, 5648, 6448, 7060, 8060, 8320, 9178, 9920, 10943, 11296, 12896, 14120, 16120, 18356, 19840, 21886, 22592, 22945, 25792, 28240, 32240, 36712, 43772, 45184, 45890, 51584, 54715, 56480, 64480, 73424, 87544, 91780, 109430, 112960, 128960, 142259, 146848, 175088, 183560, 218860, 225920, 257920, 284518, 293696, 350176, 367120, 437720, 569036, 587392, 700352, 711295, 734240, 875440, 1138072, 1400704, 1422590, 1468480, 1750880, 2276144, 2845180, 2936960, 3501760, 4552288, 5690360, 7003520, 9104576, 11380720, 18209152, 22761440, 45522880, 91045760]

約数ペア:

[(1, 91045760), (2, 45522880), (4, 22761440), (5, 18209152), (8, 11380720), (10, 9104576), (13, 7003520), (16, 5690360), (20, 4552288), (26, 3501760), (31, 2936960), (32, 2845180), (40, 2276144), (52, 1750880), (62, 1468480), (64, 1422590), (65, 1400704), (80, 1138072), (104, 875440), (124, 734240), (128, 711295), (130, 700352), (155, 587392), (160, 569036), (208, 437720), (248, 367120), (260, 350176), (310, 293696), (320, 284518), (353, 257920), (403, 225920), (416, 218860), (496, 183560), (520, 175088), (620, 146848), (640, 142259), (706, 128960), (806, 112960), (832, 109430), (992, 91780), (1040, 87544), (1240, 73424), (1412, 64480), (1612, 56480), (1664, 54715), (1765, 51584), (1984, 45890), (2015, 45184), (2080, 43772), (2480, 36712), (2824, 32240), (3224, 28240), (3530, 25792), (3968, 22945), (4030, 22592), (4160, 21886), (4589, 19840), (4960, 18356), (5648, 16120), (6448, 14120), (7060, 12896), (8060, 11296), (8320, 10943), (9178, 9920)]