71601880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 198950400

約数和(自身を除く): 127348520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 86, 95, 133, 140, 152, 172, 190, 215, 266, 280, 301, 313, 344, 380, 430, 532, 602, 626, 665, 760, 817, 860, 1064, 1204, 1252, 1330, 1505, 1565, 1634, 1720, 2191, 2408, 2504, 2660, 3010, 3130, 3268, 4085, 4382, 5320, 5719, 5947, 6020, 6260, 6536, 8170, 8764, 10955, 11438, 11894, 12040, 12520, 13459, 16340, 17528, 21910, 22876, 23788, 26918, 28595, 29735, 32680, 41629, 43820, 45752, 47576, 53836, 57190, 59470, 67295, 83258, 87640, 94213, 107672, 114380, 118940, 134590, 166516, 188426, 208145, 228760, 237880, 255721, 269180, 333032, 376852, 416290, 471065, 511442, 538360, 753704, 832580, 942130, 1022884, 1278605, 1665160, 1790047, 1884260, 2045768, 2557210, 3580094, 3768520, 5114420, 7160188, 8950235, 10228840, 14320376, 17900470, 35800940, 71601880]

約数ペア:

[(1, 71601880), (2, 35800940), (4, 17900470), (5, 14320376), (7, 10228840), (8, 8950235), (10, 7160188), (14, 5114420), (19, 3768520), (20, 3580094), (28, 2557210), (35, 2045768), (38, 1884260), (40, 1790047), (43, 1665160), (56, 1278605), (70, 1022884), (76, 942130), (86, 832580), (95, 753704), (133, 538360), (140, 511442), (152, 471065), (172, 416290), (190, 376852), (215, 333032), (266, 269180), (280, 255721), (301, 237880), (313, 228760), (344, 208145), (380, 188426), (430, 166516), (532, 134590), (602, 118940), (626, 114380), (665, 107672), (760, 94213), (817, 87640), (860, 83258), (1064, 67295), (1204, 59470), (1252, 57190), (1330, 53836), (1505, 47576), (1565, 45752), (1634, 43820), (1720, 41629), (2191, 32680), (2408, 29735), (2504, 28595), (2660, 26918), (3010, 23788), (3130, 22876), (3268, 21910), (4085, 17528), (4382, 16340), (5320, 13459), (5719, 12520), (5947, 12040), (6020, 11894), (6260, 11438), (6536, 10955), (8170, 8764)]