31784480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 96526080

約数和(自身を除く): 64741600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 59, 65, 70, 74, 80, 91, 104, 112, 118, 130, 140, 148, 160, 182, 185, 208, 224, 236, 259, 260, 280, 295, 296, 364, 370, 413, 416, 455, 472, 481, 518, 520, 560, 590, 592, 728, 740, 767, 826, 910, 944, 962, 1036, 1040, 1120, 1180, 1184, 1295, 1456, 1480, 1534, 1652, 1820, 1888, 1924, 2065, 2072, 2080, 2183, 2360, 2405, 2590, 2912, 2960, 3068, 3304, 3367, 3640, 3835, 3848, 4130, 4144, 4366, 4720, 4810, 5180, 5369, 5920, 6136, 6608, 6734, 7280, 7670, 7696, 8260, 8288, 8732, 9440, 9620, 10360, 10738, 10915, 12272, 13216, 13468, 14560, 15281, 15340, 15392, 16520, 16835, 17464, 19240, 20720, 21476, 21830, 24544, 26845, 26936, 28379, 30562, 30680, 33040, 33670, 34928, 38480, 41440, 42952, 43660, 53690, 53872, 56758, 61124, 61360, 66080, 67340, 69856, 76405, 76960, 85904, 87320, 107380, 107744, 113516, 122248, 122720, 134680, 141895, 152810, 171808, 174640, 198653, 214760, 227032, 244496, 269360, 283790, 305620, 349280, 397306, 429520, 454064, 488992, 538720, 567580, 611240, 794612, 859040, 908128, 993265, 1135160, 1222480, 1589224, 1986530, 2270320, 2444960, 3178448, 3973060, 4540640, 6356896, 7946120, 15892240, 31784480]

約数ペア:

[(1, 31784480), (2, 15892240), (4, 7946120), (5, 6356896), (7, 4540640), (8, 3973060), (10, 3178448), (13, 2444960), (14, 2270320), (16, 1986530), (20, 1589224), (26, 1222480), (28, 1135160), (32, 993265), (35, 908128), (37, 859040), (40, 794612), (52, 611240), (56, 567580), (59, 538720), (65, 488992), (70, 454064), (74, 429520), (80, 397306), (91, 349280), (104, 305620), (112, 283790), (118, 269360), (130, 244496), (140, 227032), (148, 214760), (160, 198653), (182, 174640), (185, 171808), (208, 152810), (224, 141895), (236, 134680), (259, 122720), (260, 122248), (280, 113516), (295, 107744), (296, 107380), (364, 87320), (370, 85904), (413, 76960), (416, 76405), (455, 69856), (472, 67340), (481, 66080), (518, 61360), (520, 61124), (560, 56758), (590, 53872), (592, 53690), (728, 43660), (740, 42952), (767, 41440), (826, 38480), (910, 34928), (944, 33670), (962, 33040), (1036, 30680), (1040, 30562), (1120, 28379), (1180, 26936), (1184, 26845), (1295, 24544), (1456, 21830), (1480, 21476), (1534, 20720), (1652, 19240), (1820, 17464), (1888, 16835), (1924, 16520), (2065, 15392), (2072, 15340), (2080, 15281), (2183, 14560), (2360, 13468), (2405, 13216), (2590, 12272), (2912, 10915), (2960, 10738), (3068, 10360), (3304, 9620), (3367, 9440), (3640, 8732), (3835, 8288), (3848, 8260), (4130, 7696), (4144, 7670), (4366, 7280), (4720, 6734), (4810, 6608), (5180, 6136), (5369, 5920)]