80769780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4931}}^1$

素因数の和:4966

約数の個数: 144

約数和(自身を含む): 301601664

約数和(自身を除く): 220831884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4931, 5460, 8190, 9862, 14793, 16380, 19724, 24655, 29586, 34517, 44379, 49310, 59172, 64103, 69034, 73965, 88758, 98620, 103551, 128206, 138068, 147930, 172585, 177516, 192309, 207102, 221895, 256412, 295860, 310653, 320515, 345170, 384618, 414204, 443790, 448721, 517755, 576927, 621306, 641030, 690340, 769236, 887580, 897442, 961545, 1035510, 1153854, 1242612, 1282060, 1346163, 1553265, 1794884, 1923090, 2071020, 2243605, 2307708, 2692326, 2884635, 3106530, 3846180, 4038489, 4487210, 5384652, 5769270, 6213060, 6730815, 8076978, 8974420, 11538540, 13461630, 16153956, 20192445, 26923260, 40384890, 80769780]

約数ペア:

[(1, 80769780), (2, 40384890), (3, 26923260), (4, 20192445), (5, 16153956), (6, 13461630), (7, 11538540), (9, 8974420), (10, 8076978), (12, 6730815), (13, 6213060), (14, 5769270), (15, 5384652), (18, 4487210), (20, 4038489), (21, 3846180), (26, 3106530), (28, 2884635), (30, 2692326), (35, 2307708), (36, 2243605), (39, 2071020), (42, 1923090), (45, 1794884), (52, 1553265), (60, 1346163), (63, 1282060), (65, 1242612), (70, 1153854), (78, 1035510), (84, 961545), (90, 897442), (91, 887580), (105, 769236), (117, 690340), (126, 641030), (130, 621306), (140, 576927), (156, 517755), (180, 448721), (182, 443790), (195, 414204), (210, 384618), (234, 345170), (252, 320515), (260, 310653), (273, 295860), (315, 256412), (364, 221895), (390, 207102), (420, 192309), (455, 177516), (468, 172585), (546, 147930), (585, 138068), (630, 128206), (780, 103551), (819, 98620), (910, 88758), (1092, 73965), (1170, 69034), (1260, 64103), (1365, 59172), (1638, 49310), (1820, 44379), (2340, 34517), (2730, 29586), (3276, 24655), (4095, 19724), (4931, 16380), (5460, 14793), (8190, 9862)]