81944520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97553}}^1$

素因数の和:97574

約数の個数: 64

約数和(自身を含む): 280955520

約数和(自身を除く): 199011000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97553, 195106, 292659, 390212, 487765, 585318, 682871, 780424, 975530, 1170636, 1365742, 1463295, 1951060, 2048613, 2341272, 2731484, 2926590, 3414355, 3902120, 4097226, 5462968, 5853180, 6828710, 8194452, 10243065, 11706360, 13657420, 16388904, 20486130, 27314840, 40972260, 81944520]

約数ペア:

[(1, 81944520), (2, 40972260), (3, 27314840), (4, 20486130), (5, 16388904), (6, 13657420), (7, 11706360), (8, 10243065), (10, 8194452), (12, 6828710), (14, 5853180), (15, 5462968), (20, 4097226), (21, 3902120), (24, 3414355), (28, 2926590), (30, 2731484), (35, 2341272), (40, 2048613), (42, 1951060), (56, 1463295), (60, 1365742), (70, 1170636), (84, 975530), (105, 780424), (120, 682871), (140, 585318), (168, 487765), (210, 390212), (280, 292659), (420, 195106), (840, 97553)]