268261760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1748

約数の個数: 128

約数和(自身を含む): 727423200

約数和(自身を除く): 459161440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1697, 1976, 2080, 2432, 2470, 3040, 3394, 3952, 4160, 4940, 6080, 6788, 7904, 8320, 8485, 9880, 12160, 13576, 15808, 16970, 19760, 22061, 27152, 31616, 32243, 33940, 39520, 44122, 54304, 64486, 67880, 79040, 88244, 108608, 110305, 128972, 135760, 158080, 161215, 176488, 217216, 220610, 257944, 271520, 322430, 352976, 419159, 441220, 515888, 543040, 644860, 705952, 838318, 882440, 1031776, 1086080, 1289720, 1411904, 1676636, 1764880, 2063552, 2095795, 2579440, 2823808, 3353272, 3529760, 4127104, 4191590, 5158880, 6706544, 7059520, 8383180, 10317760, 13413088, 14119040, 16766360, 20635520, 26826176, 33532720, 53652352, 67065440, 134130880, 268261760]

約数ペア:

[(1, 268261760), (2, 134130880), (4, 67065440), (5, 53652352), (8, 33532720), (10, 26826176), (13, 20635520), (16, 16766360), (19, 14119040), (20, 13413088), (26, 10317760), (32, 8383180), (38, 7059520), (40, 6706544), (52, 5158880), (64, 4191590), (65, 4127104), (76, 3529760), (80, 3353272), (95, 2823808), (104, 2579440), (128, 2095795), (130, 2063552), (152, 1764880), (160, 1676636), (190, 1411904), (208, 1289720), (247, 1086080), (260, 1031776), (304, 882440), (320, 838318), (380, 705952), (416, 644860), (494, 543040), (520, 515888), (608, 441220), (640, 419159), (760, 352976), (832, 322430), (988, 271520), (1040, 257944), (1216, 220610), (1235, 217216), (1520, 176488), (1664, 161215), (1697, 158080), (1976, 135760), (2080, 128972), (2432, 110305), (2470, 108608), (3040, 88244), (3394, 79040), (3952, 67880), (4160, 64486), (4940, 54304), (6080, 44122), (6788, 39520), (7904, 33940), (8320, 32243), (8485, 31616), (9880, 27152), (12160, 22061), (13576, 19760), (15808, 16970)]