217483840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1332

約数の個数: 112

約数和(自身を含む): 599846400

約数和(自身を除く): 382362560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 790, 1106, 1120, 1229, 1264, 1580, 2212, 2240, 2458, 2528, 2765, 3160, 4424, 4916, 5056, 5530, 6145, 6320, 8603, 8848, 9832, 11060, 12290, 12640, 17206, 17696, 19664, 22120, 24580, 25280, 34412, 35392, 39328, 43015, 44240, 49160, 68824, 78656, 86030, 88480, 97091, 98320, 137648, 172060, 176960, 194182, 196640, 275296, 344120, 388364, 393280, 485455, 550592, 679637, 688240, 776728, 970910, 1359274, 1376480, 1553456, 1941820, 2718548, 2752960, 3106912, 3398185, 3883640, 5437096, 6213824, 6796370, 7767280, 10874192, 13592740, 15534560, 21748384, 27185480, 31069120, 43496768, 54370960, 108741920, 217483840]

約数ペア:

[(1, 217483840), (2, 108741920), (4, 54370960), (5, 43496768), (7, 31069120), (8, 27185480), (10, 21748384), (14, 15534560), (16, 13592740), (20, 10874192), (28, 7767280), (32, 6796370), (35, 6213824), (40, 5437096), (56, 3883640), (64, 3398185), (70, 3106912), (79, 2752960), (80, 2718548), (112, 1941820), (140, 1553456), (158, 1376480), (160, 1359274), (224, 970910), (280, 776728), (316, 688240), (320, 679637), (395, 550592), (448, 485455), (553, 393280), (560, 388364), (632, 344120), (790, 275296), (1106, 196640), (1120, 194182), (1229, 176960), (1264, 172060), (1580, 137648), (2212, 98320), (2240, 97091), (2458, 88480), (2528, 86030), (2765, 78656), (3160, 68824), (4424, 49160), (4916, 44240), (5056, 43015), (5530, 39328), (6145, 35392), (6320, 34412), (8603, 25280), (8848, 24580), (9832, 22120), (11060, 19664), (12290, 17696), (12640, 17206)]