31865680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:777

約数の個数: 120

約数和(自身を含む): 94145760

約数和(自身を除く): 62280080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 739, 770, 784, 880, 980, 1078, 1232, 1478, 1540, 1960, 2156, 2695, 2956, 3080, 3695, 3920, 4312, 5173, 5390, 5912, 6160, 7390, 8129, 8624, 10346, 10780, 11824, 14780, 16258, 20692, 21560, 25865, 29560, 32516, 36211, 40645, 41384, 43120, 51730, 56903, 59120, 65032, 72422, 81290, 82768, 103460, 113806, 130064, 144844, 162580, 181055, 206920, 227612, 284515, 289688, 325160, 362110, 398321, 413840, 455224, 569030, 579376, 650320, 724220, 796642, 910448, 1138060, 1448440, 1593284, 1991605, 2276120, 2896880, 3186568, 3983210, 4552240, 6373136, 7966420, 15932840, 31865680]

約数ペア:

[(1, 31865680), (2, 15932840), (4, 7966420), (5, 6373136), (7, 4552240), (8, 3983210), (10, 3186568), (11, 2896880), (14, 2276120), (16, 1991605), (20, 1593284), (22, 1448440), (28, 1138060), (35, 910448), (40, 796642), (44, 724220), (49, 650320), (55, 579376), (56, 569030), (70, 455224), (77, 413840), (80, 398321), (88, 362110), (98, 325160), (110, 289688), (112, 284515), (140, 227612), (154, 206920), (176, 181055), (196, 162580), (220, 144844), (245, 130064), (280, 113806), (308, 103460), (385, 82768), (392, 81290), (440, 72422), (490, 65032), (539, 59120), (560, 56903), (616, 51730), (739, 43120), (770, 41384), (784, 40645), (880, 36211), (980, 32516), (1078, 29560), (1232, 25865), (1478, 21560), (1540, 20692), (1960, 16258), (2156, 14780), (2695, 11824), (2956, 10780), (3080, 10346), (3695, 8624), (3920, 8129), (4312, 7390), (5173, 6160), (5390, 5912)]