111391720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{661}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 274544640

約数和(自身を除く): 163152920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 383, 440, 661, 766, 1322, 1532, 1915, 2644, 3064, 3305, 3830, 4213, 5288, 6610, 7271, 7660, 8426, 13220, 14542, 15320, 16852, 21065, 26440, 29084, 33704, 36355, 42130, 58168, 72710, 84260, 145420, 168520, 253163, 290840, 506326, 1012652, 1265815, 2025304, 2531630, 2784793, 5063260, 5569586, 10126520, 11139172, 13923965, 22278344, 27847930, 55695860, 111391720]

約数ペア:

[(1, 111391720), (2, 55695860), (4, 27847930), (5, 22278344), (8, 13923965), (10, 11139172), (11, 10126520), (20, 5569586), (22, 5063260), (40, 2784793), (44, 2531630), (55, 2025304), (88, 1265815), (110, 1012652), (220, 506326), (383, 290840), (440, 253163), (661, 168520), (766, 145420), (1322, 84260), (1532, 72710), (1915, 58168), (2644, 42130), (3064, 36355), (3305, 33704), (3830, 29084), (4213, 26440), (5288, 21065), (6610, 16852), (7271, 15320), (7660, 14542), (8426, 13220)]