71115440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 181702656

約数和(自身を除く): 110587216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 383, 422, 440, 766, 844, 880, 1055, 1532, 1688, 1915, 2110, 2321, 3064, 3376, 3830, 4213, 4220, 4642, 6128, 7660, 8426, 8440, 9284, 11605, 15320, 16852, 16880, 18568, 21065, 23210, 30640, 33704, 37136, 42130, 46420, 67408, 80813, 84260, 92840, 161626, 168520, 185680, 323252, 337040, 404065, 646504, 808130, 888943, 1293008, 1616260, 1777886, 3232520, 3555772, 4444715, 6465040, 7111544, 8889430, 14223088, 17778860, 35557720, 71115440]

約数ペア:

[(1, 71115440), (2, 35557720), (4, 17778860), (5, 14223088), (8, 8889430), (10, 7111544), (11, 6465040), (16, 4444715), (20, 3555772), (22, 3232520), (40, 1777886), (44, 1616260), (55, 1293008), (80, 888943), (88, 808130), (110, 646504), (176, 404065), (211, 337040), (220, 323252), (383, 185680), (422, 168520), (440, 161626), (766, 92840), (844, 84260), (880, 80813), (1055, 67408), (1532, 46420), (1688, 42130), (1915, 37136), (2110, 33704), (2321, 30640), (3064, 23210), (3376, 21065), (3830, 18568), (4213, 16880), (4220, 16852), (4642, 15320), (6128, 11605), (7660, 9284), (8426, 8440)]