72724912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 162927072

約数和(自身を除く): 90202160

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 131, 136, 157, 208, 221, 262, 272, 314, 442, 524, 628, 884, 1048, 1256, 1703, 1768, 2041, 2096, 2227, 2512, 2669, 3406, 3536, 4082, 4454, 5338, 6812, 8164, 8908, 10676, 13624, 16328, 17816, 20567, 21352, 27248, 28951, 32656, 34697, 35632, 41134, 42704, 57902, 69394, 82268, 115804, 138788, 164536, 231608, 267371, 277576, 329072, 349639, 463216, 534742, 555152, 699278, 1069484, 1398556, 2138968, 2797112, 4277936, 4545307, 5594224, 9090614, 18181228, 36362456, 72724912]

約数ペア:

[(1, 72724912), (2, 36362456), (4, 18181228), (8, 9090614), (13, 5594224), (16, 4545307), (17, 4277936), (26, 2797112), (34, 2138968), (52, 1398556), (68, 1069484), (104, 699278), (131, 555152), (136, 534742), (157, 463216), (208, 349639), (221, 329072), (262, 277576), (272, 267371), (314, 231608), (442, 164536), (524, 138788), (628, 115804), (884, 82268), (1048, 69394), (1256, 57902), (1703, 42704), (1768, 41134), (2041, 35632), (2096, 34697), (2227, 32656), (2512, 28951), (2669, 27248), (3406, 21352), (3536, 20567), (4082, 17816), (4454, 16328), (5338, 13624), (6812, 10676), (8164, 8908)]