80712520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 139918520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 83, 92, 115, 140, 151, 161, 166, 184, 230, 280, 302, 322, 332, 415, 460, 581, 604, 644, 664, 755, 805, 830, 920, 1057, 1162, 1208, 1288, 1510, 1610, 1660, 1909, 2114, 2324, 2905, 3020, 3220, 3320, 3473, 3818, 4228, 4648, 5285, 5810, 6040, 6440, 6946, 7636, 8456, 9545, 10570, 11620, 12533, 13363, 13892, 15272, 17365, 19090, 21140, 23240, 24311, 25066, 26726, 27784, 34730, 38180, 42280, 48622, 50132, 53452, 62665, 66815, 69460, 76360, 87731, 97244, 100264, 106904, 121555, 125330, 133630, 138920, 175462, 194488, 243110, 250660, 267260, 288259, 350924, 438655, 486220, 501320, 534520, 576518, 701848, 877310, 972440, 1153036, 1441295, 1754620, 2017813, 2306072, 2882590, 3509240, 4035626, 5765180, 8071252, 10089065, 11530360, 16142504, 20178130, 40356260, 80712520]

約数ペア:

[(1, 80712520), (2, 40356260), (4, 20178130), (5, 16142504), (7, 11530360), (8, 10089065), (10, 8071252), (14, 5765180), (20, 4035626), (23, 3509240), (28, 2882590), (35, 2306072), (40, 2017813), (46, 1754620), (56, 1441295), (70, 1153036), (83, 972440), (92, 877310), (115, 701848), (140, 576518), (151, 534520), (161, 501320), (166, 486220), (184, 438655), (230, 350924), (280, 288259), (302, 267260), (322, 250660), (332, 243110), (415, 194488), (460, 175462), (581, 138920), (604, 133630), (644, 125330), (664, 121555), (755, 106904), (805, 100264), (830, 97244), (920, 87731), (1057, 76360), (1162, 69460), (1208, 66815), (1288, 62665), (1510, 53452), (1610, 50132), (1660, 48622), (1909, 42280), (2114, 38180), (2324, 34730), (2905, 27784), (3020, 26726), (3220, 25066), (3320, 24311), (3473, 23240), (3818, 21140), (4228, 19090), (4648, 17365), (5285, 15272), (5810, 13892), (6040, 13363), (6440, 12533), (6946, 11620), (7636, 10570), (8456, 9545)]