12640157600

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2700

約数の個数: 216

約数和(自身を含む): 36192683520

約数和(自身を除く): 23552525920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 127, 140, 160, 175, 196, 200, 224, 245, 254, 280, 350, 392, 400, 490, 508, 560, 635, 700, 784, 800, 889, 980, 1016, 1120, 1225, 1270, 1400, 1568, 1778, 1960, 2032, 2450, 2539, 2540, 2800, 3175, 3556, 3920, 4064, 4445, 4900, 5078, 5080, 5600, 6223, 6350, 7112, 7840, 8890, 9800, 10156, 10160, 12446, 12695, 12700, 14224, 17773, 17780, 19600, 20312, 20320, 22225, 24892, 25390, 25400, 28448, 31115, 35546, 35560, 39200, 40624, 44450, 49784, 50780, 50800, 62230, 63475, 71092, 71120, 81248, 88865, 88900, 99568, 101560, 101600, 124411, 124460, 126950, 142184, 142240, 155575, 177730, 177800, 199136, 203120, 248822, 248920, 253900, 284368, 311150, 322453, 355460, 355600, 406240, 444325, 497644, 497840, 507800, 568736, 622055, 622300, 644906, 710920, 711200, 888650, 995288, 995680, 1015600, 1244110, 1244600, 1289812, 1421840, 1612265, 1777300, 1990576, 2031200, 2257171, 2488220, 2489200, 2579624, 2843680, 3110275, 3224530, 3554600, 3981152, 4514342, 4976440, 4978400, 5159248, 6220550, 6449060, 7109200, 8061325, 9028684, 9952880, 10318496, 11285855, 12441100, 12898120, 14218400, 15800197, 16122650, 18057368, 19905760, 22571710, 24882200, 25796240, 31600394, 32245300, 36114736, 45143420, 49764400, 51592480, 56429275, 63200788, 64490600, 72229472, 79000985, 90286840, 99528800, 112858550, 126401576, 128981200, 158001970, 180573680, 225717100, 252803152, 257962400, 316003940, 361147360, 395004925, 451434200, 505606304, 632007880, 790009850, 902868400, 1264015760, 1580019700, 1805736800, 2528031520, 3160039400, 6320078800, 12640157600]

約数ペア:

[(1, 12640157600), (2, 6320078800), (4, 3160039400), (5, 2528031520), (7, 1805736800), (8, 1580019700), (10, 1264015760), (14, 902868400), (16, 790009850), (20, 632007880), (25, 505606304), (28, 451434200), (32, 395004925), (35, 361147360), (40, 316003940), (49, 257962400), (50, 252803152), (56, 225717100), (70, 180573680), (80, 158001970), (98, 128981200), (100, 126401576), (112, 112858550), (127, 99528800), (140, 90286840), (160, 79000985), (175, 72229472), (196, 64490600), (200, 63200788), (224, 56429275), (245, 51592480), (254, 49764400), (280, 45143420), (350, 36114736), (392, 32245300), (400, 31600394), (490, 25796240), (508, 24882200), (560, 22571710), (635, 19905760), (700, 18057368), (784, 16122650), (800, 15800197), (889, 14218400), (980, 12898120), (1016, 12441100), (1120, 11285855), (1225, 10318496), (1270, 9952880), (1400, 9028684), (1568, 8061325), (1778, 7109200), (1960, 6449060), (2032, 6220550), (2450, 5159248), (2539, 4978400), (2540, 4976440), (2800, 4514342), (3175, 3981152), (3556, 3554600), (3920, 3224530), (4064, 3110275), (4445, 2843680), (4900, 2579624), (5078, 2489200), (5080, 2488220), (5600, 2257171), (6223, 2031200), (6350, 1990576), (7112, 1777300), (7840, 1612265), (8890, 1421840), (9800, 1289812), (10156, 1244600), (10160, 1244110), (12446, 1015600), (12695, 995680), (12700, 995288), (14224, 888650), (17773, 711200), (17780, 710920), (19600, 644906), (20312, 622300), (20320, 622055), (22225, 568736), (24892, 507800), (25390, 497840), (25400, 497644), (28448, 444325), (31115, 406240), (35546, 355600), (35560, 355460), (39200, 322453), (40624, 311150), (44450, 284368), (49784, 253900), (50780, 248920), (50800, 248822), (62230, 203120), (63475, 199136), (71092, 177800), (71120, 177730), (81248, 155575), (88865, 142240), (88900, 142184), (99568, 126950), (101560, 124460), (101600, 124411)]