15360771640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{18251}}^1$

素因数の和:18712

約数の個数: 64

約数和(自身を含む): 35304478560

約数和(自身を除く): 19943706920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 397, 424, 530, 794, 1060, 1588, 1985, 2120, 3176, 3970, 7940, 15880, 18251, 21041, 36502, 42082, 73004, 84164, 91255, 105205, 146008, 168328, 182510, 210410, 365020, 420820, 730040, 841640, 967303, 1934606, 3869212, 4836515, 7245647, 7738424, 9673030, 14491294, 19346060, 28982588, 36228235, 38692120, 57965176, 72456470, 144912940, 289825880, 384019291, 768038582, 1536077164, 1920096455, 3072154328, 3840192910, 7680385820, 15360771640]

約数ペア:

[(1, 15360771640), (2, 7680385820), (4, 3840192910), (5, 3072154328), (8, 1920096455), (10, 1536077164), (20, 768038582), (40, 384019291), (53, 289825880), (106, 144912940), (212, 72456470), (265, 57965176), (397, 38692120), (424, 36228235), (530, 28982588), (794, 19346060), (1060, 14491294), (1588, 9673030), (1985, 7738424), (2120, 7245647), (3176, 4836515), (3970, 3869212), (7940, 1934606), (15880, 967303), (18251, 841640), (21041, 730040), (36502, 420820), (42082, 365020), (73004, 210410), (84164, 182510), (91255, 168328), (105205, 146008)]