81684330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29921}}^1$

素因数の和:29951

約数の個数: 64

約数和(自身を含む): 241291008

約数和(自身を除く): 159606678

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 29921, 59842, 89763, 149605, 179526, 209447, 299210, 388973, 418894, 448815, 628341, 777946, 897630, 1047235, 1166919, 1256682, 1944865, 2094470, 2333838, 2722811, 3141705, 3889730, 5445622, 5834595, 6283410, 8168433, 11669190, 13614055, 16336866, 27228110, 40842165, 81684330]

約数ペア:

[(1, 81684330), (2, 40842165), (3, 27228110), (5, 16336866), (6, 13614055), (7, 11669190), (10, 8168433), (13, 6283410), (14, 5834595), (15, 5445622), (21, 3889730), (26, 3141705), (30, 2722811), (35, 2333838), (39, 2094470), (42, 1944865), (65, 1256682), (70, 1166919), (78, 1047235), (91, 897630), (105, 777946), (130, 628341), (182, 448815), (195, 418894), (210, 388973), (273, 299210), (390, 209447), (455, 179526), (546, 149605), (910, 89763), (1365, 59842), (2730, 29921)]