131749520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 160

約数和(自身を含む): 374118912

約数和(自身を除く): 242369392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 53, 56, 70, 80, 92, 106, 112, 115, 140, 161, 184, 193, 212, 230, 265, 280, 322, 368, 371, 386, 424, 460, 530, 560, 644, 742, 772, 805, 848, 920, 965, 1060, 1219, 1288, 1351, 1484, 1544, 1610, 1840, 1855, 1930, 2120, 2438, 2576, 2702, 2968, 3088, 3220, 3710, 3860, 4240, 4439, 4876, 5404, 5936, 6095, 6440, 6755, 7420, 7720, 8533, 8878, 9752, 10229, 10808, 12190, 12880, 13510, 14840, 15440, 17066, 17756, 19504, 20458, 21616, 22195, 24380, 27020, 29680, 31073, 34132, 35512, 40916, 42665, 44390, 48760, 51145, 54040, 62146, 68264, 71024, 71603, 81832, 85330, 88780, 97520, 102290, 108080, 124292, 136528, 143206, 155365, 163664, 170660, 177560, 204580, 235267, 248584, 286412, 310730, 341320, 355120, 358015, 409160, 470534, 497168, 572824, 621460, 682640, 716030, 818320, 941068, 1145648, 1176335, 1242920, 1432060, 1646869, 1882136, 2352670, 2485840, 2864120, 3293738, 3764272, 4705340, 5728240, 6587476, 8234345, 9410680, 13174952, 16468690, 18821360, 26349904, 32937380, 65874760, 131749520]

約数ペア:

[(1, 131749520), (2, 65874760), (4, 32937380), (5, 26349904), (7, 18821360), (8, 16468690), (10, 13174952), (14, 9410680), (16, 8234345), (20, 6587476), (23, 5728240), (28, 4705340), (35, 3764272), (40, 3293738), (46, 2864120), (53, 2485840), (56, 2352670), (70, 1882136), (80, 1646869), (92, 1432060), (106, 1242920), (112, 1176335), (115, 1145648), (140, 941068), (161, 818320), (184, 716030), (193, 682640), (212, 621460), (230, 572824), (265, 497168), (280, 470534), (322, 409160), (368, 358015), (371, 355120), (386, 341320), (424, 310730), (460, 286412), (530, 248584), (560, 235267), (644, 204580), (742, 177560), (772, 170660), (805, 163664), (848, 155365), (920, 143206), (965, 136528), (1060, 124292), (1219, 108080), (1288, 102290), (1351, 97520), (1484, 88780), (1544, 85330), (1610, 81832), (1840, 71603), (1855, 71024), (1930, 68264), (2120, 62146), (2438, 54040), (2576, 51145), (2702, 48760), (2968, 44390), (3088, 42665), (3220, 40916), (3710, 35512), (3860, 34132), (4240, 31073), (4439, 29680), (4876, 27020), (5404, 24380), (5936, 22195), (6095, 21616), (6440, 20458), (6755, 19504), (7420, 17756), (7720, 17066), (8533, 15440), (8878, 14840), (9752, 13510), (10229, 12880), (10808, 12190)]