81635190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1806

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 173832330

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 51, 65, 70, 78, 85, 91, 102, 105, 119, 130, 170, 182, 195, 210, 221, 238, 255, 273, 357, 390, 442, 455, 510, 546, 595, 663, 714, 910, 1105, 1190, 1326, 1365, 1547, 1759, 1785, 2210, 2730, 3094, 3315, 3518, 3570, 4641, 5277, 6630, 7735, 8795, 9282, 10554, 12313, 15470, 17590, 22867, 23205, 24626, 26385, 29903, 36939, 45734, 46410, 52770, 59806, 61565, 68601, 73878, 89709, 114335, 123130, 137202, 149515, 160069, 179418, 184695, 209321, 228670, 299030, 320138, 343005, 369390, 388739, 418642, 448545, 480207, 627963, 686010, 777478, 800345, 897090, 960414, 1046605, 1166217, 1255926, 1600690, 1943695, 2093210, 2332434, 2401035, 2721173, 3139815, 3887390, 4802070, 5442346, 5831085, 6279630, 8163519, 11662170, 13605865, 16327038, 27211730, 40817595, 81635190]

約数ペア:

[(1, 81635190), (2, 40817595), (3, 27211730), (5, 16327038), (6, 13605865), (7, 11662170), (10, 8163519), (13, 6279630), (14, 5831085), (15, 5442346), (17, 4802070), (21, 3887390), (26, 3139815), (30, 2721173), (34, 2401035), (35, 2332434), (39, 2093210), (42, 1943695), (51, 1600690), (65, 1255926), (70, 1166217), (78, 1046605), (85, 960414), (91, 897090), (102, 800345), (105, 777478), (119, 686010), (130, 627963), (170, 480207), (182, 448545), (195, 418642), (210, 388739), (221, 369390), (238, 343005), (255, 320138), (273, 299030), (357, 228670), (390, 209321), (442, 184695), (455, 179418), (510, 160069), (546, 149515), (595, 137202), (663, 123130), (714, 114335), (910, 89709), (1105, 73878), (1190, 68601), (1326, 61565), (1365, 59806), (1547, 52770), (1759, 46410), (1785, 45734), (2210, 36939), (2730, 29903), (3094, 26385), (3315, 24626), (3518, 23205), (3570, 22867), (4641, 17590), (5277, 15470), (6630, 12313), (7735, 10554), (8795, 9282)]