766762880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:776

約数の個数: 128

約数和(自身を含む): 1990003680

約数和(自身を除く): 1223240800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 157, 160, 208, 260, 314, 320, 416, 520, 587, 628, 640, 785, 832, 1040, 1174, 1256, 1570, 1664, 2041, 2080, 2348, 2512, 2935, 3140, 4082, 4160, 4696, 5024, 5870, 6280, 7631, 8164, 8320, 9392, 10048, 10205, 11740, 12560, 15262, 16328, 18784, 20096, 20410, 23480, 25120, 30524, 32656, 37568, 38155, 40820, 46960, 50240, 61048, 65312, 75136, 76310, 81640, 92159, 93920, 100480, 122096, 130624, 152620, 163280, 184318, 187840, 244192, 261248, 305240, 326560, 368636, 375680, 460795, 488384, 610480, 653120, 737272, 921590, 976768, 1198067, 1220960, 1306240, 1474544, 1843180, 2396134, 2441920, 2949088, 3686360, 4792268, 4883840, 5898176, 5990335, 7372720, 9584536, 11796352, 11980670, 14745440, 19169072, 23961340, 29490880, 38338144, 47922680, 58981760, 76676288, 95845360, 153352576, 191690720, 383381440, 766762880]

約数ペア:

[(1, 766762880), (2, 383381440), (4, 191690720), (5, 153352576), (8, 95845360), (10, 76676288), (13, 58981760), (16, 47922680), (20, 38338144), (26, 29490880), (32, 23961340), (40, 19169072), (52, 14745440), (64, 11980670), (65, 11796352), (80, 9584536), (104, 7372720), (128, 5990335), (130, 5898176), (157, 4883840), (160, 4792268), (208, 3686360), (260, 2949088), (314, 2441920), (320, 2396134), (416, 1843180), (520, 1474544), (587, 1306240), (628, 1220960), (640, 1198067), (785, 976768), (832, 921590), (1040, 737272), (1174, 653120), (1256, 610480), (1570, 488384), (1664, 460795), (2041, 375680), (2080, 368636), (2348, 326560), (2512, 305240), (2935, 261248), (3140, 244192), (4082, 187840), (4160, 184318), (4696, 163280), (5024, 152620), (5870, 130624), (6280, 122096), (7631, 100480), (8164, 93920), (8320, 92159), (9392, 81640), (10048, 76310), (10205, 75136), (11740, 65312), (12560, 61048), (15262, 50240), (16328, 46960), (18784, 40820), (20096, 38155), (20410, 37568), (23480, 32656), (25120, 30524)]