81703230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20477}}^1$

素因数の和:20513

約数の個数: 64

約数和(自身を含む): 235906560

約数和(自身を除く): 154203330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 20477, 40954, 61431, 102385, 122862, 143339, 204770, 286678, 307155, 389063, 430017, 614310, 716695, 778126, 860034, 1167189, 1433390, 1945315, 2150085, 2334378, 2723441, 3890630, 4300170, 5446882, 5835945, 8170323, 11671890, 13617205, 16340646, 27234410, 40851615, 81703230]

約数ペア:

[(1, 81703230), (2, 40851615), (3, 27234410), (5, 16340646), (6, 13617205), (7, 11671890), (10, 8170323), (14, 5835945), (15, 5446882), (19, 4300170), (21, 3890630), (30, 2723441), (35, 2334378), (38, 2150085), (42, 1945315), (57, 1433390), (70, 1167189), (95, 860034), (105, 778126), (114, 716695), (133, 614310), (190, 430017), (210, 389063), (266, 307155), (285, 286678), (399, 204770), (570, 143339), (665, 122862), (798, 102385), (1330, 61431), (1995, 40954), (3990, 20477)]