51539320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 141834240

約数和(自身を除く): 90294920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 53, 56, 70, 92, 106, 115, 140, 151, 161, 184, 212, 230, 265, 280, 302, 322, 371, 424, 460, 530, 604, 644, 742, 755, 805, 920, 1057, 1060, 1208, 1219, 1288, 1484, 1510, 1610, 1855, 2114, 2120, 2438, 2968, 3020, 3220, 3473, 3710, 4228, 4876, 5285, 6040, 6095, 6440, 6946, 7420, 8003, 8456, 8533, 9752, 10570, 12190, 13892, 14840, 16006, 17066, 17365, 21140, 24311, 24380, 27784, 32012, 34132, 34730, 40015, 42280, 42665, 48622, 48760, 56021, 64024, 68264, 69460, 80030, 85330, 97244, 112042, 121555, 138920, 160060, 170660, 184069, 194488, 224084, 243110, 280105, 320120, 341320, 368138, 448168, 486220, 560210, 736276, 920345, 972440, 1120420, 1288483, 1472552, 1840690, 2240840, 2576966, 3681380, 5153932, 6442415, 7362760, 10307864, 12884830, 25769660, 51539320]

約数ペア:

[(1, 51539320), (2, 25769660), (4, 12884830), (5, 10307864), (7, 7362760), (8, 6442415), (10, 5153932), (14, 3681380), (20, 2576966), (23, 2240840), (28, 1840690), (35, 1472552), (40, 1288483), (46, 1120420), (53, 972440), (56, 920345), (70, 736276), (92, 560210), (106, 486220), (115, 448168), (140, 368138), (151, 341320), (161, 320120), (184, 280105), (212, 243110), (230, 224084), (265, 194488), (280, 184069), (302, 170660), (322, 160060), (371, 138920), (424, 121555), (460, 112042), (530, 97244), (604, 85330), (644, 80030), (742, 69460), (755, 68264), (805, 64024), (920, 56021), (1057, 48760), (1060, 48622), (1208, 42665), (1219, 42280), (1288, 40015), (1484, 34730), (1510, 34132), (1610, 32012), (1855, 27784), (2114, 24380), (2120, 24311), (2438, 21140), (2968, 17365), (3020, 17066), (3220, 16006), (3473, 14840), (3710, 13892), (4228, 12190), (4876, 10570), (5285, 9752), (6040, 8533), (6095, 8456), (6440, 8003), (6946, 7420)]