87764720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 215795712

約数和(自身を除く): 128030992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 823, 860, 1240, 1333, 1646, 1720, 2480, 2666, 3292, 3440, 4115, 5332, 6584, 6665, 8230, 10664, 13168, 13330, 16460, 21328, 25513, 26660, 32920, 35389, 51026, 53320, 65840, 70778, 102052, 106640, 127565, 141556, 176945, 204104, 255130, 283112, 353890, 408208, 510260, 566224, 707780, 1020520, 1097059, 1415560, 2041040, 2194118, 2831120, 4388236, 5485295, 8776472, 10970590, 17552944, 21941180, 43882360, 87764720]

約数ペア:

[(1, 87764720), (2, 43882360), (4, 21941180), (5, 17552944), (8, 10970590), (10, 8776472), (16, 5485295), (20, 4388236), (31, 2831120), (40, 2194118), (43, 2041040), (62, 1415560), (80, 1097059), (86, 1020520), (124, 707780), (155, 566224), (172, 510260), (215, 408208), (248, 353890), (310, 283112), (344, 255130), (430, 204104), (496, 176945), (620, 141556), (688, 127565), (823, 106640), (860, 102052), (1240, 70778), (1333, 65840), (1646, 53320), (1720, 51026), (2480, 35389), (2666, 32920), (3292, 26660), (3440, 25513), (4115, 21328), (5332, 16460), (6584, 13330), (6665, 13168), (8230, 10664)]