8079420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 24225264

約数和(自身を除く): 16145844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 89, 102, 170, 178, 204, 255, 267, 340, 356, 445, 510, 534, 890, 1020, 1068, 1335, 1513, 1780, 2670, 3026, 4539, 5340, 6052, 7565, 7921, 9078, 15130, 15842, 18156, 22695, 23763, 30260, 31684, 39605, 45390, 47526, 79210, 90780, 95052, 118815, 134657, 158420, 237630, 269314, 403971, 475260, 538628, 673285, 807942, 1346570, 1615884, 2019855, 2693140, 4039710, 8079420]

約数ペア:

[(1, 8079420), (2, 4039710), (3, 2693140), (4, 2019855), (5, 1615884), (6, 1346570), (10, 807942), (12, 673285), (15, 538628), (17, 475260), (20, 403971), (30, 269314), (34, 237630), (51, 158420), (60, 134657), (68, 118815), (85, 95052), (89, 90780), (102, 79210), (170, 47526), (178, 45390), (204, 39605), (255, 31684), (267, 30260), (340, 23763), (356, 22695), (445, 18156), (510, 15842), (534, 15130), (890, 9078), (1020, 7921), (1068, 7565), (1335, 6052), (1513, 5340), (1780, 4539), (2670, 3026)]