82008640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1236

約数の個数: 112

約数和(自身を含む): 230575104

約数和(自身を除く): 148566464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1181, 1240, 1736, 1984, 2170, 2240, 2362, 2480, 3472, 4340, 4724, 4960, 5905, 6944, 8267, 8680, 9448, 9920, 11810, 13888, 16534, 17360, 18896, 23620, 33068, 34720, 36611, 37792, 41335, 47240, 66136, 69440, 73222, 75584, 82670, 94480, 132272, 146444, 165340, 183055, 188960, 256277, 264544, 292888, 330680, 366110, 377920, 512554, 529088, 585776, 661360, 732220, 1025108, 1171552, 1281385, 1322720, 1464440, 2050216, 2343104, 2562770, 2645440, 2928880, 4100432, 5125540, 5857760, 8200864, 10251080, 11715520, 16401728, 20502160, 41004320, 82008640]

約数ペア:

[(1, 82008640), (2, 41004320), (4, 20502160), (5, 16401728), (7, 11715520), (8, 10251080), (10, 8200864), (14, 5857760), (16, 5125540), (20, 4100432), (28, 2928880), (31, 2645440), (32, 2562770), (35, 2343104), (40, 2050216), (56, 1464440), (62, 1322720), (64, 1281385), (70, 1171552), (80, 1025108), (112, 732220), (124, 661360), (140, 585776), (155, 529088), (160, 512554), (217, 377920), (224, 366110), (248, 330680), (280, 292888), (310, 264544), (320, 256277), (434, 188960), (448, 183055), (496, 165340), (560, 146444), (620, 132272), (868, 94480), (992, 82670), (1085, 75584), (1120, 73222), (1181, 69440), (1240, 66136), (1736, 47240), (1984, 41335), (2170, 37792), (2240, 36611), (2362, 34720), (2480, 33068), (3472, 23620), (4340, 18896), (4724, 17360), (4960, 16534), (5905, 13888), (6944, 11810), (8267, 9920), (8680, 9448)]