1315254720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105389}}^1$

素因数の和:105422

約数の個数: 112

約数和(自身を含む): 4497202080

約数和(自身を除く): 3181947360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 105389, 210778, 316167, 421556, 526945, 632334, 843112, 1053890, 1264668, 1370057, 1580835, 1686224, 2107780, 2529336, 2740114, 3161670, 3372448, 4110171, 4215560, 5058672, 5480228, 6323340, 6744896, 6850285, 8220342, 8431120, 10117344, 10960456, 12646680, 13700570, 16440684, 16862240, 20234688, 20550855, 21920912, 25293360, 27401140, 32881368, 33724480, 41101710, 43841824, 50586720, 54802280, 65762736, 82203420, 87683648, 101173440, 109604560, 131525472, 164406840, 219209120, 263050944, 328813680, 438418240, 657627360, 1315254720]

約数ペア:

[(1, 1315254720), (2, 657627360), (3, 438418240), (4, 328813680), (5, 263050944), (6, 219209120), (8, 164406840), (10, 131525472), (12, 109604560), (13, 101173440), (15, 87683648), (16, 82203420), (20, 65762736), (24, 54802280), (26, 50586720), (30, 43841824), (32, 41101710), (39, 33724480), (40, 32881368), (48, 27401140), (52, 25293360), (60, 21920912), (64, 20550855), (65, 20234688), (78, 16862240), (80, 16440684), (96, 13700570), (104, 12646680), (120, 10960456), (130, 10117344), (156, 8431120), (160, 8220342), (192, 6850285), (195, 6744896), (208, 6323340), (240, 5480228), (260, 5058672), (312, 4215560), (320, 4110171), (390, 3372448), (416, 3161670), (480, 2740114), (520, 2529336), (624, 2107780), (780, 1686224), (832, 1580835), (960, 1370057), (1040, 1264668), (1248, 1053890), (1560, 843112), (2080, 632334), (2496, 526945), (3120, 421556), (4160, 316167), (6240, 210778), (12480, 105389)]