818720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 96

約数和(自身を含む): 2395008

約数和(自身を除く): 1576288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 43, 56, 68, 70, 80, 85, 86, 112, 119, 136, 140, 160, 170, 172, 215, 224, 238, 272, 280, 301, 340, 344, 430, 476, 544, 560, 595, 602, 680, 688, 731, 860, 952, 1120, 1190, 1204, 1360, 1376, 1462, 1505, 1720, 1904, 2380, 2408, 2720, 2924, 3010, 3440, 3655, 3808, 4760, 4816, 5117, 5848, 6020, 6880, 7310, 9520, 9632, 10234, 11696, 12040, 14620, 19040, 20468, 23392, 24080, 25585, 29240, 40936, 48160, 51170, 58480, 81872, 102340, 116960, 163744, 204680, 409360, 818720]

約数ペア:

[(1, 818720), (2, 409360), (4, 204680), (5, 163744), (7, 116960), (8, 102340), (10, 81872), (14, 58480), (16, 51170), (17, 48160), (20, 40936), (28, 29240), (32, 25585), (34, 24080), (35, 23392), (40, 20468), (43, 19040), (56, 14620), (68, 12040), (70, 11696), (80, 10234), (85, 9632), (86, 9520), (112, 7310), (119, 6880), (136, 6020), (140, 5848), (160, 5117), (170, 4816), (172, 4760), (215, 3808), (224, 3655), (238, 3440), (272, 3010), (280, 2924), (301, 2720), (340, 2408), (344, 2380), (430, 1904), (476, 1720), (544, 1505), (560, 1462), (595, 1376), (602, 1360), (680, 1204), (688, 1190), (731, 1120), (860, 952)]