128431872

素因数分解:

$2^8\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1093}}^1$

素因数の和:1135

約数の個数: 144

約数和(自身を含む): 402504480

約数和(自身を除く): 274072608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 256, 272, 288, 306, 384, 408, 432, 459, 544, 576, 612, 768, 816, 864, 918, 1088, 1093, 1152, 1224, 1632, 1728, 1836, 2176, 2186, 2304, 2448, 3264, 3279, 3456, 3672, 4352, 4372, 4896, 6528, 6558, 6912, 7344, 8744, 9792, 9837, 13056, 13116, 14688, 17488, 18581, 19584, 19674, 26232, 29376, 29511, 34976, 37162, 39168, 39348, 52464, 55743, 58752, 59022, 69952, 74324, 78696, 104928, 111486, 117504, 118044, 139904, 148648, 157392, 167229, 209856, 222972, 236088, 279808, 297296, 314784, 334458, 419712, 445944, 472176, 501687, 594592, 629568, 668916, 839424, 891888, 944352, 1003374, 1189184, 1259136, 1337832, 1783776, 1888704, 2006748, 2378368, 2518272, 2675664, 3567552, 3777408, 4013496, 4756736, 5351328, 7135104, 7554816, 8026992, 10702656, 14270208, 16053984, 21405312, 32107968, 42810624, 64215936, 128431872]

約数ペア:

[(1, 128431872), (2, 64215936), (3, 42810624), (4, 32107968), (6, 21405312), (8, 16053984), (9, 14270208), (12, 10702656), (16, 8026992), (17, 7554816), (18, 7135104), (24, 5351328), (27, 4756736), (32, 4013496), (34, 3777408), (36, 3567552), (48, 2675664), (51, 2518272), (54, 2378368), (64, 2006748), (68, 1888704), (72, 1783776), (96, 1337832), (102, 1259136), (108, 1189184), (128, 1003374), (136, 944352), (144, 891888), (153, 839424), (192, 668916), (204, 629568), (216, 594592), (256, 501687), (272, 472176), (288, 445944), (306, 419712), (384, 334458), (408, 314784), (432, 297296), (459, 279808), (544, 236088), (576, 222972), (612, 209856), (768, 167229), (816, 157392), (864, 148648), (918, 139904), (1088, 118044), (1093, 117504), (1152, 111486), (1224, 104928), (1632, 78696), (1728, 74324), (1836, 69952), (2176, 59022), (2186, 58752), (2304, 55743), (2448, 52464), (3264, 39348), (3279, 39168), (3456, 37162), (3672, 34976), (4352, 29511), (4372, 29376), (4896, 26232), (6528, 19674), (6558, 19584), (6912, 18581), (7344, 17488), (8744, 14688), (9792, 13116), (9837, 13056)]