17872960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 112

約数和(自身を含む): 49743360

約数和(自身を除く): 31870400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 101, 112, 140, 158, 160, 202, 224, 280, 316, 320, 395, 404, 448, 505, 553, 560, 632, 707, 790, 808, 1010, 1106, 1120, 1264, 1414, 1580, 1616, 2020, 2212, 2240, 2528, 2765, 2828, 3160, 3232, 3535, 4040, 4424, 5056, 5530, 5656, 6320, 6464, 7070, 7979, 8080, 8848, 11060, 11312, 12640, 14140, 15958, 16160, 17696, 22120, 22624, 25280, 28280, 31916, 32320, 35392, 39895, 44240, 45248, 55853, 56560, 63832, 79790, 88480, 111706, 113120, 127664, 159580, 176960, 223412, 226240, 255328, 279265, 319160, 446824, 510656, 558530, 638320, 893648, 1117060, 1276640, 1787296, 2234120, 2553280, 3574592, 4468240, 8936480, 17872960]

約数ペア:

[(1, 17872960), (2, 8936480), (4, 4468240), (5, 3574592), (7, 2553280), (8, 2234120), (10, 1787296), (14, 1276640), (16, 1117060), (20, 893648), (28, 638320), (32, 558530), (35, 510656), (40, 446824), (56, 319160), (64, 279265), (70, 255328), (79, 226240), (80, 223412), (101, 176960), (112, 159580), (140, 127664), (158, 113120), (160, 111706), (202, 88480), (224, 79790), (280, 63832), (316, 56560), (320, 55853), (395, 45248), (404, 44240), (448, 39895), (505, 35392), (553, 32320), (560, 31916), (632, 28280), (707, 25280), (790, 22624), (808, 22120), (1010, 17696), (1106, 16160), (1120, 15958), (1264, 14140), (1414, 12640), (1580, 11312), (1616, 11060), (2020, 8848), (2212, 8080), (2240, 7979), (2528, 7070), (2765, 6464), (2828, 6320), (3160, 5656), (3232, 5530), (3535, 5056), (4040, 4424)]