320657220

素因数分解:

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

素因数の和:251

約数の個数: 216

約数和(自身を含む): 1074318336

約数和(自身を除く): 753661116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 117, 127, 130, 156, 166, 169, 180, 195, 234, 249, 254, 260, 332, 338, 381, 390, 415, 468, 498, 507, 508, 585, 635, 676, 747, 762, 780, 830, 845, 996, 1014, 1079, 1143, 1170, 1245, 1270, 1494, 1521, 1524, 1651, 1660, 1690, 1905, 2028, 2158, 2286, 2340, 2490, 2535, 2540, 2988, 3042, 3237, 3302, 3380, 3735, 3810, 4316, 4572, 4953, 4980, 5070, 5395, 5715, 6084, 6474, 6604, 7470, 7605, 7620, 8255, 9711, 9906, 10140, 10541, 10790, 11430, 12948, 14027, 14859, 14940, 15210, 16185, 16510, 19422, 19812, 21082, 21463, 21580, 22860, 24765, 28054, 29718, 30420, 31623, 32370, 33020, 38844, 42081, 42164, 42926, 48555, 49530, 52705, 56108, 59436, 63246, 64389, 64740, 70135, 74295, 84162, 85852, 94869, 97110, 99060, 105410, 107315, 126243, 126492, 128778, 137033, 140270, 148590, 158115, 168324, 189738, 193167, 194220, 210405, 210820, 214630, 252486, 257556, 274066, 280540, 297180, 316230, 321945, 379476, 386334, 411099, 420810, 429260, 474345, 504972, 548132, 631215, 632460, 643890, 685165, 772668, 822198, 841620, 948690, 965835, 1233297, 1262430, 1287780, 1370330, 1644396, 1781429, 1897380, 1931670, 2055495, 2466594, 2524860, 2740660, 3562858, 3863340, 4110990, 4933188, 5344287, 6166485, 7125716, 8221980, 8907145, 10688574, 12332970, 16032861, 17814290, 21377148, 24665940, 26721435, 32065722, 35628580, 53442870, 64131444, 80164305, 106885740, 160328610, 320657220]

約数ペア:

[(1, 320657220), (2, 160328610), (3, 106885740), (4, 80164305), (5, 64131444), (6, 53442870), (9, 35628580), (10, 32065722), (12, 26721435), (13, 24665940), (15, 21377148), (18, 17814290), (20, 16032861), (26, 12332970), (30, 10688574), (36, 8907145), (39, 8221980), (45, 7125716), (52, 6166485), (60, 5344287), (65, 4933188), (78, 4110990), (83, 3863340), (90, 3562858), (117, 2740660), (127, 2524860), (130, 2466594), (156, 2055495), (166, 1931670), (169, 1897380), (180, 1781429), (195, 1644396), (234, 1370330), (249, 1287780), (254, 1262430), (260, 1233297), (332, 965835), (338, 948690), (381, 841620), (390, 822198), (415, 772668), (468, 685165), (498, 643890), (507, 632460), (508, 631215), (585, 548132), (635, 504972), (676, 474345), (747, 429260), (762, 420810), (780, 411099), (830, 386334), (845, 379476), (996, 321945), (1014, 316230), (1079, 297180), (1143, 280540), (1170, 274066), (1245, 257556), (1270, 252486), (1494, 214630), (1521, 210820), (1524, 210405), (1651, 194220), (1660, 193167), (1690, 189738), (1905, 168324), (2028, 158115), (2158, 148590), (2286, 140270), (2340, 137033), (2490, 128778), (2535, 126492), (2540, 126243), (2988, 107315), (3042, 105410), (3237, 99060), (3302, 97110), (3380, 94869), (3735, 85852), (3810, 84162), (4316, 74295), (4572, 70135), (4953, 64740), (4980, 64389), (5070, 63246), (5395, 59436), (5715, 56108), (6084, 52705), (6474, 49530), (6604, 48555), (7470, 42926), (7605, 42164), (7620, 42081), (8255, 38844), (9711, 33020), (9906, 32370), (10140, 31623), (10541, 30420), (10790, 29718), (11430, 28054), (12948, 24765), (14027, 22860), (14859, 21580), (14940, 21463), (15210, 21082), (16185, 19812), (16510, 19422)]