72389240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1285

約数の個数: 128

約数和(自身を含む): 213926400

約数和(自身を除く): 141537160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1237, 1330, 1463, 1540, 1672, 2090, 2474, 2660, 2926, 3080, 4180, 4948, 5320, 5852, 6185, 7315, 8360, 8659, 9896, 11704, 12370, 13607, 14630, 17318, 23503, 24740, 27214, 29260, 34636, 43295, 47006, 49480, 54428, 58520, 68035, 69272, 86590, 94012, 95249, 108856, 117515, 136070, 164521, 173180, 188024, 190498, 235030, 258533, 272140, 329042, 346360, 380996, 470060, 476245, 517066, 544280, 658084, 761992, 822605, 940120, 952490, 1034132, 1292665, 1316168, 1645210, 1809731, 1904980, 2068264, 2585330, 3290420, 3619462, 3809960, 5170660, 6580840, 7238924, 9048655, 10341320, 14477848, 18097310, 36194620, 72389240]

約数ペア:

[(1, 72389240), (2, 36194620), (4, 18097310), (5, 14477848), (7, 10341320), (8, 9048655), (10, 7238924), (11, 6580840), (14, 5170660), (19, 3809960), (20, 3619462), (22, 3290420), (28, 2585330), (35, 2068264), (38, 1904980), (40, 1809731), (44, 1645210), (55, 1316168), (56, 1292665), (70, 1034132), (76, 952490), (77, 940120), (88, 822605), (95, 761992), (110, 658084), (133, 544280), (140, 517066), (152, 476245), (154, 470060), (190, 380996), (209, 346360), (220, 329042), (266, 272140), (280, 258533), (308, 235030), (380, 190498), (385, 188024), (418, 173180), (440, 164521), (532, 136070), (616, 117515), (665, 108856), (760, 95249), (770, 94012), (836, 86590), (1045, 69272), (1064, 68035), (1237, 58520), (1330, 54428), (1463, 49480), (1540, 47006), (1672, 43295), (2090, 34636), (2474, 29260), (2660, 27214), (2926, 24740), (3080, 23503), (4180, 17318), (4948, 14630), (5320, 13607), (5852, 12370), (6185, 11704), (7315, 9896), (8360, 8659)]