1255631440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:681

約数の個数: 160

約数和(自身を含む): 3474063360

約数和(自身を除く): 2218431920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 151, 155, 217, 248, 280, 302, 310, 434, 479, 496, 560, 604, 620, 755, 868, 958, 1057, 1085, 1208, 1240, 1510, 1736, 1916, 2114, 2170, 2395, 2416, 2480, 3020, 3353, 3472, 3832, 4228, 4340, 4681, 4790, 5285, 6040, 6706, 7664, 8456, 8680, 9362, 9580, 10570, 12080, 13412, 14849, 16765, 16912, 17360, 18724, 19160, 21140, 23405, 26824, 29698, 32767, 33530, 37448, 38320, 42280, 46810, 53648, 59396, 65534, 67060, 72329, 74245, 74896, 84560, 93620, 103943, 118792, 131068, 134120, 144658, 148490, 163835, 187240, 207886, 237584, 262136, 268240, 289316, 296980, 327670, 361645, 374480, 415772, 506303, 519715, 524272, 578632, 593960, 655340, 723290, 831544, 1012606, 1039430, 1157264, 1187920, 1310680, 1446580, 1663088, 2025212, 2078860, 2242199, 2531515, 2621360, 2893160, 4050424, 4157720, 4484398, 5063030, 5786320, 8100848, 8315440, 8968796, 10126060, 11210995, 15695393, 17937592, 20252120, 22421990, 31390786, 35875184, 40504240, 44843980, 62781572, 78476965, 89687960, 125563144, 156953930, 179375920, 251126288, 313907860, 627815720, 1255631440]

約数ペア:

[(1, 1255631440), (2, 627815720), (4, 313907860), (5, 251126288), (7, 179375920), (8, 156953930), (10, 125563144), (14, 89687960), (16, 78476965), (20, 62781572), (28, 44843980), (31, 40504240), (35, 35875184), (40, 31390786), (56, 22421990), (62, 20252120), (70, 17937592), (80, 15695393), (112, 11210995), (124, 10126060), (140, 8968796), (151, 8315440), (155, 8100848), (217, 5786320), (248, 5063030), (280, 4484398), (302, 4157720), (310, 4050424), (434, 2893160), (479, 2621360), (496, 2531515), (560, 2242199), (604, 2078860), (620, 2025212), (755, 1663088), (868, 1446580), (958, 1310680), (1057, 1187920), (1085, 1157264), (1208, 1039430), (1240, 1012606), (1510, 831544), (1736, 723290), (1916, 655340), (2114, 593960), (2170, 578632), (2395, 524272), (2416, 519715), (2480, 506303), (3020, 415772), (3353, 374480), (3472, 361645), (3832, 327670), (4228, 296980), (4340, 289316), (4681, 268240), (4790, 262136), (5285, 237584), (6040, 207886), (6706, 187240), (7664, 163835), (8456, 148490), (8680, 144658), (9362, 134120), (9580, 131068), (10570, 118792), (12080, 103943), (13412, 93620), (14849, 84560), (16765, 74896), (16912, 74245), (17360, 72329), (18724, 67060), (19160, 65534), (21140, 59396), (23405, 53648), (26824, 46810), (29698, 42280), (32767, 38320), (33530, 37448)]