256869760

素因数分解:

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

素因数の和:8224

約数の個数: 96

約数和(自身を含む): 714424320

約数和(自身を除く): 457554560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8191, 15680, 16382, 31360, 32764, 40955, 57337, 65528, 81910, 114674, 131056, 163820, 229348, 262112, 286685, 327640, 401359, 458696, 524224, 573370, 655280, 802718, 917392, 1048448, 1146740, 1310560, 1605436, 1834784, 2006795, 2293480, 2621120, 3210872, 3669568, 4013590, 4586960, 5242240, 6421744, 7339136, 8027180, 9173920, 12843488, 16054360, 18347840, 25686976, 32108720, 36695680, 51373952, 64217440, 128434880, 256869760]

約数ペア:

[(1, 256869760), (2, 128434880), (4, 64217440), (5, 51373952), (7, 36695680), (8, 32108720), (10, 25686976), (14, 18347840), (16, 16054360), (20, 12843488), (28, 9173920), (32, 8027180), (35, 7339136), (40, 6421744), (49, 5242240), (56, 4586960), (64, 4013590), (70, 3669568), (80, 3210872), (98, 2621120), (112, 2293480), (128, 2006795), (140, 1834784), (160, 1605436), (196, 1310560), (224, 1146740), (245, 1048448), (280, 917392), (320, 802718), (392, 655280), (448, 573370), (490, 524224), (560, 458696), (640, 401359), (784, 327640), (896, 286685), (980, 262112), (1120, 229348), (1568, 163820), (1960, 131056), (2240, 114674), (3136, 81910), (3920, 65528), (4480, 57337), (6272, 40955), (7840, 32764), (8191, 31360), (15680, 16382)]