23128840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 65007360

約数和(自身を除く): 41878520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 113, 119, 136, 140, 170, 172, 215, 226, 238, 280, 301, 340, 344, 430, 452, 476, 565, 595, 602, 680, 731, 791, 860, 904, 952, 1130, 1190, 1204, 1462, 1505, 1582, 1720, 1921, 2260, 2380, 2408, 2924, 3010, 3164, 3655, 3842, 3955, 4520, 4760, 4859, 5117, 5848, 6020, 6328, 7310, 7684, 7910, 9605, 9718, 10234, 12040, 13447, 14620, 15368, 15820, 19210, 19436, 20468, 24295, 25585, 26894, 29240, 31640, 34013, 38420, 38872, 40936, 48590, 51170, 53788, 67235, 68026, 76840, 82603, 97180, 102340, 107576, 134470, 136052, 165206, 170065, 194360, 204680, 268940, 272104, 330412, 340130, 413015, 537880, 578221, 660824, 680260, 826030, 1156442, 1360520, 1652060, 2312884, 2891105, 3304120, 4625768, 5782210, 11564420, 23128840]

約数ペア:

[(1, 23128840), (2, 11564420), (4, 5782210), (5, 4625768), (7, 3304120), (8, 2891105), (10, 2312884), (14, 1652060), (17, 1360520), (20, 1156442), (28, 826030), (34, 680260), (35, 660824), (40, 578221), (43, 537880), (56, 413015), (68, 340130), (70, 330412), (85, 272104), (86, 268940), (113, 204680), (119, 194360), (136, 170065), (140, 165206), (170, 136052), (172, 134470), (215, 107576), (226, 102340), (238, 97180), (280, 82603), (301, 76840), (340, 68026), (344, 67235), (430, 53788), (452, 51170), (476, 48590), (565, 40936), (595, 38872), (602, 38420), (680, 34013), (731, 31640), (791, 29240), (860, 26894), (904, 25585), (952, 24295), (1130, 20468), (1190, 19436), (1204, 19210), (1462, 15820), (1505, 15368), (1582, 14620), (1720, 13447), (1921, 12040), (2260, 10234), (2380, 9718), (2408, 9605), (2924, 7910), (3010, 7684), (3164, 7310), (3655, 6328), (3842, 6020), (3955, 5848), (4520, 5117), (4760, 4859)]