87701120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 230307840

約数和(自身を除く): 142606720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 127, 128, 130, 160, 166, 208, 254, 260, 320, 332, 415, 416, 508, 520, 635, 640, 664, 830, 832, 1016, 1040, 1079, 1270, 1328, 1651, 1660, 1664, 2032, 2080, 2158, 2540, 2656, 3302, 3320, 4064, 4160, 4316, 5080, 5312, 5395, 6604, 6640, 8128, 8255, 8320, 8632, 10160, 10541, 10624, 10790, 13208, 13280, 16256, 16510, 17264, 20320, 21082, 21580, 26416, 26560, 33020, 34528, 40640, 42164, 43160, 52705, 52832, 53120, 66040, 69056, 81280, 84328, 86320, 105410, 105664, 132080, 137033, 138112, 168656, 172640, 210820, 211328, 264160, 274066, 337312, 345280, 421640, 528320, 548132, 674624, 685165, 690560, 843280, 1056640, 1096264, 1349248, 1370330, 1686560, 2192528, 2740660, 3373120, 4385056, 5481320, 6746240, 8770112, 10962640, 17540224, 21925280, 43850560, 87701120]

約数ペア:

[(1, 87701120), (2, 43850560), (4, 21925280), (5, 17540224), (8, 10962640), (10, 8770112), (13, 6746240), (16, 5481320), (20, 4385056), (26, 3373120), (32, 2740660), (40, 2192528), (52, 1686560), (64, 1370330), (65, 1349248), (80, 1096264), (83, 1056640), (104, 843280), (127, 690560), (128, 685165), (130, 674624), (160, 548132), (166, 528320), (208, 421640), (254, 345280), (260, 337312), (320, 274066), (332, 264160), (415, 211328), (416, 210820), (508, 172640), (520, 168656), (635, 138112), (640, 137033), (664, 132080), (830, 105664), (832, 105410), (1016, 86320), (1040, 84328), (1079, 81280), (1270, 69056), (1328, 66040), (1651, 53120), (1660, 52832), (1664, 52705), (2032, 43160), (2080, 42164), (2158, 40640), (2540, 34528), (2656, 33020), (3302, 26560), (3320, 26416), (4064, 21580), (4160, 21082), (4316, 20320), (5080, 17264), (5312, 16510), (5395, 16256), (6604, 13280), (6640, 13208), (8128, 10790), (8255, 10624), (8320, 10541), (8632, 10160)]