169920920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 433520640

約数和(自身を除く): 263599720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 83, 104, 124, 127, 130, 155, 166, 248, 254, 260, 310, 332, 403, 415, 508, 520, 620, 635, 664, 806, 830, 1016, 1079, 1240, 1270, 1612, 1651, 1660, 2015, 2158, 2540, 2573, 3224, 3302, 3320, 3937, 4030, 4316, 5080, 5146, 5395, 6604, 7874, 8060, 8255, 8632, 10292, 10541, 10790, 12865, 13208, 15748, 16120, 16510, 19685, 20584, 21082, 21580, 25730, 31496, 33020, 33449, 39370, 42164, 43160, 51181, 51460, 52705, 66040, 66898, 78740, 84328, 102362, 102920, 105410, 133796, 137033, 157480, 167245, 204724, 210820, 255905, 267592, 274066, 326771, 334490, 409448, 421640, 511810, 548132, 653542, 668980, 685165, 1023620, 1096264, 1307084, 1337960, 1370330, 1633855, 2047240, 2614168, 2740660, 3267710, 4248023, 5481320, 6535420, 8496046, 13070840, 16992092, 21240115, 33984184, 42480230, 84960460, 169920920]

約数ペア:

[(1, 169920920), (2, 84960460), (4, 42480230), (5, 33984184), (8, 21240115), (10, 16992092), (13, 13070840), (20, 8496046), (26, 6535420), (31, 5481320), (40, 4248023), (52, 3267710), (62, 2740660), (65, 2614168), (83, 2047240), (104, 1633855), (124, 1370330), (127, 1337960), (130, 1307084), (155, 1096264), (166, 1023620), (248, 685165), (254, 668980), (260, 653542), (310, 548132), (332, 511810), (403, 421640), (415, 409448), (508, 334490), (520, 326771), (620, 274066), (635, 267592), (664, 255905), (806, 210820), (830, 204724), (1016, 167245), (1079, 157480), (1240, 137033), (1270, 133796), (1612, 105410), (1651, 102920), (1660, 102362), (2015, 84328), (2158, 78740), (2540, 66898), (2573, 66040), (3224, 52705), (3302, 51460), (3320, 51181), (3937, 43160), (4030, 42164), (4316, 39370), (5080, 33449), (5146, 33020), (5395, 31496), (6604, 25730), (7874, 21580), (8060, 21082), (8255, 20584), (8632, 19685), (10292, 16510), (10541, 16120), (10790, 15748), (12865, 13208)]