18465691640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1\times {\mathrm{1051}}^1$

素因数の和:1693

約数の個数: 128

約数和(自身を含む): 46073560320

約数和(自身を除く): 27607868680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 547, 584, 730, 803, 1051, 1094, 1460, 1606, 2102, 2188, 2735, 2920, 3212, 4015, 4204, 4376, 5255, 5470, 6017, 6424, 8030, 8408, 10510, 10940, 11561, 12034, 16060, 21020, 21880, 23122, 24068, 30085, 32120, 39931, 42040, 46244, 48136, 57805, 60170, 76723, 79862, 92488, 115610, 120340, 153446, 159724, 199655, 231220, 240680, 306892, 319448, 383615, 399310, 439241, 462440, 574897, 613784, 767230, 798620, 843953, 878482, 1149794, 1534460, 1597240, 1687906, 1756964, 2196205, 2299588, 2874485, 3068920, 3375812, 3513928, 4219765, 4392410, 4599176, 5748970, 6323867, 6751624, 8439530, 8784820, 11497940, 12647734, 16879060, 17569640, 22995880, 25295468, 31619335, 33758120, 41967481, 50590936, 63238670, 83934962, 126477340, 167869924, 209837405, 252954680, 335739848, 419674810, 461642291, 839349620, 923284582, 1678699240, 1846569164, 2308211455, 3693138328, 4616422910, 9232845820, 18465691640]

約数ペア:

[(1, 18465691640), (2, 9232845820), (4, 4616422910), (5, 3693138328), (8, 2308211455), (10, 1846569164), (11, 1678699240), (20, 923284582), (22, 839349620), (40, 461642291), (44, 419674810), (55, 335739848), (73, 252954680), (88, 209837405), (110, 167869924), (146, 126477340), (220, 83934962), (292, 63238670), (365, 50590936), (440, 41967481), (547, 33758120), (584, 31619335), (730, 25295468), (803, 22995880), (1051, 17569640), (1094, 16879060), (1460, 12647734), (1606, 11497940), (2102, 8784820), (2188, 8439530), (2735, 6751624), (2920, 6323867), (3212, 5748970), (4015, 4599176), (4204, 4392410), (4376, 4219765), (5255, 3513928), (5470, 3375812), (6017, 3068920), (6424, 2874485), (8030, 2299588), (8408, 2196205), (10510, 1756964), (10940, 1687906), (11561, 1597240), (12034, 1534460), (16060, 1149794), (21020, 878482), (21880, 843953), (23122, 798620), (24068, 767230), (30085, 613784), (32120, 574897), (39931, 462440), (42040, 439241), (46244, 399310), (48136, 383615), (57805, 319448), (60170, 306892), (76723, 240680), (79862, 231220), (92488, 199655), (115610, 159724), (120340, 153446)]