128322320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 353745216

約数和(自身を除く): 225422896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 73, 80, 86, 112, 140, 146, 172, 215, 280, 292, 301, 344, 365, 430, 511, 560, 584, 602, 688, 730, 860, 1022, 1168, 1204, 1460, 1505, 1720, 2044, 2408, 2555, 2920, 3010, 3139, 3440, 4088, 4816, 5110, 5329, 5840, 6020, 6278, 8176, 10220, 10658, 12040, 12556, 15695, 20440, 21316, 21973, 24080, 25112, 26645, 31390, 37303, 40880, 42632, 43946, 50224, 53290, 62780, 74606, 85264, 87892, 106580, 109865, 125560, 149212, 175784, 186515, 213160, 219730, 229147, 251120, 298424, 351568, 373030, 426320, 439460, 458294, 596848, 746060, 878920, 916588, 1145735, 1492120, 1604029, 1757840, 1833176, 2291470, 2984240, 3208058, 3666352, 4582940, 6416116, 8020145, 9165880, 12832232, 16040290, 18331760, 25664464, 32080580, 64161160, 128322320]

約数ペア:

[(1, 128322320), (2, 64161160), (4, 32080580), (5, 25664464), (7, 18331760), (8, 16040290), (10, 12832232), (14, 9165880), (16, 8020145), (20, 6416116), (28, 4582940), (35, 3666352), (40, 3208058), (43, 2984240), (56, 2291470), (70, 1833176), (73, 1757840), (80, 1604029), (86, 1492120), (112, 1145735), (140, 916588), (146, 878920), (172, 746060), (215, 596848), (280, 458294), (292, 439460), (301, 426320), (344, 373030), (365, 351568), (430, 298424), (511, 251120), (560, 229147), (584, 219730), (602, 213160), (688, 186515), (730, 175784), (860, 149212), (1022, 125560), (1168, 109865), (1204, 106580), (1460, 87892), (1505, 85264), (1720, 74606), (2044, 62780), (2408, 53290), (2555, 50224), (2920, 43946), (3010, 42632), (3139, 40880), (3440, 37303), (4088, 31390), (4816, 26645), (5110, 25112), (5329, 24080), (5840, 21973), (6020, 21316), (6278, 20440), (8176, 15695), (10220, 12556), (10658, 12040)]