15780821745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{19319}}^1$

素因数の和:19470

約数の個数: 64

約数和(自身を含む): 28043366400

約数和(自身を除く): 12262544655

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 71, 177, 195, 213, 295, 355, 767, 885, 923, 1065, 2301, 2769, 3835, 4189, 4615, 11505, 12567, 13845, 19319, 20945, 54457, 57957, 62835, 96595, 163371, 251147, 272285, 289785, 753441, 816855, 1139821, 1255735, 1371649, 3419463, 3767205, 4114947, 5699105, 6858245, 14817673, 17097315, 17831437, 20574735, 44453019, 53494311, 74088365, 80927291, 89157185, 222265095, 242781873, 267471555, 404636455, 1052054783, 1213909365, 3156164349, 5260273915, 15780821745]

約数ペア:

[(1, 15780821745), (3, 5260273915), (5, 3156164349), (13, 1213909365), (15, 1052054783), (39, 404636455), (59, 267471555), (65, 242781873), (71, 222265095), (177, 89157185), (195, 80927291), (213, 74088365), (295, 53494311), (355, 44453019), (767, 20574735), (885, 17831437), (923, 17097315), (1065, 14817673), (2301, 6858245), (2769, 5699105), (3835, 4114947), (4189, 3767205), (4615, 3419463), (11505, 1371649), (12567, 1255735), (13845, 1139821), (19319, 816855), (20945, 753441), (54457, 289785), (57957, 272285), (62835, 251147), (96595, 163371)]