128434880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{8191}}^1$

素因数の和:8222

約数の個数: 84

約数和(自身を含む): 355811328

約数和(自身を除く): 227376448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 8191, 15680, 16382, 32764, 40955, 57337, 65528, 81910, 114674, 131056, 163820, 229348, 262112, 286685, 327640, 401359, 458696, 524224, 573370, 655280, 802718, 917392, 1146740, 1310560, 1605436, 1834784, 2006795, 2293480, 2621120, 3210872, 3669568, 4013590, 4586960, 6421744, 8027180, 9173920, 12843488, 16054360, 18347840, 25686976, 32108720, 64217440, 128434880]

約数ペア:

[(1, 128434880), (2, 64217440), (4, 32108720), (5, 25686976), (7, 18347840), (8, 16054360), (10, 12843488), (14, 9173920), (16, 8027180), (20, 6421744), (28, 4586960), (32, 4013590), (35, 3669568), (40, 3210872), (49, 2621120), (56, 2293480), (64, 2006795), (70, 1834784), (80, 1605436), (98, 1310560), (112, 1146740), (140, 917392), (160, 802718), (196, 655280), (224, 573370), (245, 524224), (280, 458696), (320, 401359), (392, 327640), (448, 286685), (490, 262112), (560, 229348), (784, 163820), (980, 131056), (1120, 114674), (1568, 81910), (1960, 65528), (2240, 57337), (3136, 40955), (3920, 32764), (7840, 16382), (8191, 15680)]