213478720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7331}}^1$

素因数の和:7368

約数の個数: 112

約数和(自身を含む): 625742208

約数和(自身を除く): 412263488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 7331, 14560, 14662, 29120, 29324, 36655, 51317, 58648, 73310, 95303, 102634, 117296, 146620, 190606, 205268, 234592, 256585, 293240, 381212, 410536, 469184, 476515, 513170, 586480, 667121, 762424, 821072, 953030, 1026340, 1172960, 1334242, 1524848, 1642144, 1906060, 2052680, 2345920, 2668484, 3049696, 3284288, 3335605, 3812120, 4105360, 5336968, 6099392, 6671210, 7624240, 8210720, 10673936, 13342420, 15248480, 16421440, 21347872, 26684840, 30496960, 42695744, 53369680, 106739360, 213478720]

約数ペア:

[(1, 213478720), (2, 106739360), (4, 53369680), (5, 42695744), (7, 30496960), (8, 26684840), (10, 21347872), (13, 16421440), (14, 15248480), (16, 13342420), (20, 10673936), (26, 8210720), (28, 7624240), (32, 6671210), (35, 6099392), (40, 5336968), (52, 4105360), (56, 3812120), (64, 3335605), (65, 3284288), (70, 3049696), (80, 2668484), (91, 2345920), (104, 2052680), (112, 1906060), (130, 1642144), (140, 1524848), (160, 1334242), (182, 1172960), (208, 1026340), (224, 953030), (260, 821072), (280, 762424), (320, 667121), (364, 586480), (416, 513170), (448, 476515), (455, 469184), (520, 410536), (560, 381212), (728, 293240), (832, 256585), (910, 234592), (1040, 205268), (1120, 190606), (1456, 146620), (1820, 117296), (2080, 102634), (2240, 95303), (2912, 73310), (3640, 58648), (4160, 51317), (5824, 36655), (7280, 29324), (7331, 29120), (14560, 14662)]