51515840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 112

約数和(自身を含む): 133197600

約数和(自身を除く): 81681760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 148, 152, 160, 185, 190, 229, 296, 304, 320, 370, 380, 458, 592, 608, 703, 740, 760, 916, 1145, 1184, 1216, 1406, 1480, 1520, 1832, 2290, 2368, 2812, 2960, 3040, 3515, 3664, 4351, 4580, 5624, 5920, 6080, 7030, 7328, 8473, 8702, 9160, 11248, 11840, 14060, 14656, 16946, 17404, 18320, 21755, 22496, 28120, 33892, 34808, 36640, 42365, 43510, 44992, 56240, 67784, 69616, 73280, 84730, 87020, 112480, 135568, 139232, 160987, 169460, 174040, 224960, 271136, 278464, 321974, 338920, 348080, 542272, 643948, 677840, 696160, 804935, 1287896, 1355680, 1392320, 1609870, 2575792, 2711360, 3219740, 5151584, 6439480, 10303168, 12878960, 25757920, 51515840]

約数ペア:

[(1, 51515840), (2, 25757920), (4, 12878960), (5, 10303168), (8, 6439480), (10, 5151584), (16, 3219740), (19, 2711360), (20, 2575792), (32, 1609870), (37, 1392320), (38, 1355680), (40, 1287896), (64, 804935), (74, 696160), (76, 677840), (80, 643948), (95, 542272), (148, 348080), (152, 338920), (160, 321974), (185, 278464), (190, 271136), (229, 224960), (296, 174040), (304, 169460), (320, 160987), (370, 139232), (380, 135568), (458, 112480), (592, 87020), (608, 84730), (703, 73280), (740, 69616), (760, 67784), (916, 56240), (1145, 44992), (1184, 43510), (1216, 42365), (1406, 36640), (1480, 34808), (1520, 33892), (1832, 28120), (2290, 22496), (2368, 21755), (2812, 18320), (2960, 17404), (3040, 16946), (3515, 14656), (3664, 14060), (4351, 11840), (4580, 11248), (5624, 9160), (5920, 8702), (6080, 8473), (7030, 7328)]