15439360

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 38252016

約数和(自身を除く): 22812656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 163, 185, 256, 296, 320, 326, 370, 512, 592, 640, 652, 740, 815, 1184, 1280, 1304, 1480, 1630, 2368, 2560, 2608, 2960, 3260, 4736, 5216, 5920, 6031, 6520, 9472, 10432, 11840, 12062, 13040, 18944, 20864, 23680, 24124, 26080, 30155, 41728, 47360, 48248, 52160, 60310, 83456, 94720, 96496, 104320, 120620, 192992, 208640, 241240, 385984, 417280, 482480, 771968, 964960, 1543936, 1929920, 3087872, 3859840, 7719680, 15439360]

約数ペア:

[(1, 15439360), (2, 7719680), (4, 3859840), (5, 3087872), (8, 1929920), (10, 1543936), (16, 964960), (20, 771968), (32, 482480), (37, 417280), (40, 385984), (64, 241240), (74, 208640), (80, 192992), (128, 120620), (148, 104320), (160, 96496), (163, 94720), (185, 83456), (256, 60310), (296, 52160), (320, 48248), (326, 47360), (370, 41728), (512, 30155), (592, 26080), (640, 24124), (652, 23680), (740, 20864), (815, 18944), (1184, 13040), (1280, 12062), (1304, 11840), (1480, 10432), (1630, 9472), (2368, 6520), (2560, 6031), (2608, 5920), (2960, 5216), (3260, 4736)]