721191520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1699}}^1$

素因数の和:2100

約数の個数: 96

約数和(自身を含む): 1953504000

約数和(自身を除く): 1232312480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 379, 560, 758, 1120, 1516, 1699, 1895, 2653, 3032, 3398, 3790, 5306, 6064, 6796, 7580, 8495, 10612, 11893, 12128, 13265, 13592, 15160, 16990, 21224, 23786, 26530, 27184, 30320, 33980, 42448, 47572, 53060, 54368, 59465, 60640, 67960, 84896, 95144, 106120, 118930, 135920, 190288, 212240, 237860, 271840, 380576, 424480, 475720, 643921, 951440, 1287842, 1902880, 2575684, 3219605, 4507447, 5151368, 6439210, 9014894, 10302736, 12878420, 18029788, 20605472, 22537235, 25756840, 36059576, 45074470, 51513680, 72119152, 90148940, 103027360, 144238304, 180297880, 360595760, 721191520]

約数ペア:

[(1, 721191520), (2, 360595760), (4, 180297880), (5, 144238304), (7, 103027360), (8, 90148940), (10, 72119152), (14, 51513680), (16, 45074470), (20, 36059576), (28, 25756840), (32, 22537235), (35, 20605472), (40, 18029788), (56, 12878420), (70, 10302736), (80, 9014894), (112, 6439210), (140, 5151368), (160, 4507447), (224, 3219605), (280, 2575684), (379, 1902880), (560, 1287842), (758, 951440), (1120, 643921), (1516, 475720), (1699, 424480), (1895, 380576), (2653, 271840), (3032, 237860), (3398, 212240), (3790, 190288), (5306, 135920), (6064, 118930), (6796, 106120), (7580, 95144), (8495, 84896), (10612, 67960), (11893, 60640), (12128, 59465), (13265, 54368), (13592, 53060), (15160, 47572), (16990, 42448), (21224, 33980), (23786, 30320), (26530, 27184)]