164265280

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:648

約数の個数: 112

約数和(自身を含む): 418429440

約数和(自身を除く): 254164160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 320, 464, 496, 571, 580, 620, 899, 928, 992, 1142, 1160, 1240, 1798, 1856, 1984, 2284, 2320, 2480, 2855, 3596, 4495, 4568, 4640, 4960, 5710, 7192, 8990, 9136, 9280, 9920, 11420, 14384, 16559, 17701, 17980, 18272, 22840, 28768, 33118, 35402, 35960, 36544, 45680, 57536, 66236, 70804, 71920, 82795, 88505, 91360, 132472, 141608, 143840, 165590, 177010, 182720, 264944, 283216, 287680, 331180, 354020, 513329, 529888, 566432, 662360, 708040, 1026658, 1059776, 1132864, 1324720, 1416080, 2053316, 2566645, 2649440, 2832160, 4106632, 5133290, 5298880, 5664320, 8213264, 10266580, 16426528, 20533160, 32853056, 41066320, 82132640, 164265280]

約数ペア:

[(1, 164265280), (2, 82132640), (4, 41066320), (5, 32853056), (8, 20533160), (10, 16426528), (16, 10266580), (20, 8213264), (29, 5664320), (31, 5298880), (32, 5133290), (40, 4106632), (58, 2832160), (62, 2649440), (64, 2566645), (80, 2053316), (116, 1416080), (124, 1324720), (145, 1132864), (155, 1059776), (160, 1026658), (232, 708040), (248, 662360), (290, 566432), (310, 529888), (320, 513329), (464, 354020), (496, 331180), (571, 287680), (580, 283216), (620, 264944), (899, 182720), (928, 177010), (992, 165590), (1142, 143840), (1160, 141608), (1240, 132472), (1798, 91360), (1856, 88505), (1984, 82795), (2284, 71920), (2320, 70804), (2480, 66236), (2855, 57536), (3596, 45680), (4495, 36544), (4568, 35960), (4640, 35402), (4960, 33118), (5710, 28768), (7192, 22840), (8990, 18272), (9136, 17980), (9280, 17701), (9920, 16559), (11420, 14384)]