76788880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1077

約数の個数: 120

約数和(自身を含む): 218825280

約数和(自身を除く): 142036400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1031, 1064, 1330, 1520, 1862, 1960, 2062, 2128, 2660, 3724, 3920, 4124, 4655, 5155, 5320, 7217, 7448, 8248, 9310, 10310, 10640, 14434, 14896, 16496, 18620, 19589, 20620, 28868, 36085, 37240, 39178, 41240, 50519, 57736, 72170, 74480, 78356, 82480, 97945, 101038, 115472, 137123, 144340, 156712, 195890, 202076, 252595, 274246, 288680, 313424, 391780, 404152, 505190, 548492, 577360, 685615, 783560, 808304, 959861, 1010380, 1096984, 1371230, 1567120, 1919722, 2020760, 2193968, 2742460, 3839444, 4041520, 4799305, 5484920, 7678888, 9598610, 10969840, 15357776, 19197220, 38394440, 76788880]

約数ペア:

[(1, 76788880), (2, 38394440), (4, 19197220), (5, 15357776), (7, 10969840), (8, 9598610), (10, 7678888), (14, 5484920), (16, 4799305), (19, 4041520), (20, 3839444), (28, 2742460), (35, 2193968), (38, 2020760), (40, 1919722), (49, 1567120), (56, 1371230), (70, 1096984), (76, 1010380), (80, 959861), (95, 808304), (98, 783560), (112, 685615), (133, 577360), (140, 548492), (152, 505190), (190, 404152), (196, 391780), (245, 313424), (266, 288680), (280, 274246), (304, 252595), (380, 202076), (392, 195890), (490, 156712), (532, 144340), (560, 137123), (665, 115472), (760, 101038), (784, 97945), (931, 82480), (980, 78356), (1031, 74480), (1064, 72170), (1330, 57736), (1520, 50519), (1862, 41240), (1960, 39178), (2062, 37240), (2128, 36085), (2660, 28868), (3724, 20620), (3920, 19589), (4124, 18620), (4655, 16496), (5155, 14896), (5320, 14434), (7217, 10640), (7448, 10310), (8248, 9310)]