40147455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 72316800

約数和(自身を除く): 32169345

約数列:

[1, 3, 5, 15, 17, 29, 51, 61, 85, 87, 89, 145, 183, 255, 267, 305, 435, 445, 493, 915, 1037, 1335, 1479, 1513, 1769, 2465, 2581, 3111, 4539, 5185, 5307, 5429, 7395, 7565, 7743, 8845, 12905, 15555, 16287, 22695, 26535, 27145, 30073, 38715, 43877, 81435, 90219, 92293, 131631, 150365, 157441, 219385, 276879, 451095, 461465, 472323, 658155, 787205, 1384395, 2361615, 2676497, 8029491, 13382485, 40147455]

約数ペア:

[(1, 40147455), (3, 13382485), (5, 8029491), (15, 2676497), (17, 2361615), (29, 1384395), (51, 787205), (61, 658155), (85, 472323), (87, 461465), (89, 451095), (145, 276879), (183, 219385), (255, 157441), (267, 150365), (305, 131631), (435, 92293), (445, 90219), (493, 81435), (915, 43877), (1037, 38715), (1335, 30073), (1479, 27145), (1513, 26535), (1769, 22695), (2465, 16287), (2581, 15555), (3111, 12905), (4539, 8845), (5185, 7743), (5307, 7565), (5429, 7395)]