72714780

素因数分解:

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

素因数の和:213

約数の個数: 144

約数和(自身を含む): 242252640

約数和(自身を除く): 169537860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 89, 90, 102, 108, 135, 153, 170, 178, 180, 204, 255, 267, 270, 306, 340, 356, 445, 459, 510, 534, 540, 612, 765, 801, 890, 918, 1020, 1068, 1335, 1513, 1530, 1602, 1780, 1836, 2295, 2403, 2670, 3026, 3060, 3204, 4005, 4539, 4590, 4806, 5340, 6052, 7565, 7921, 8010, 9078, 9180, 9612, 12015, 13617, 15130, 15842, 16020, 18156, 22695, 23763, 24030, 27234, 30260, 31684, 39605, 40851, 45390, 47526, 48060, 54468, 68085, 71289, 79210, 81702, 90780, 95052, 118815, 134657, 136170, 142578, 158420, 163404, 204255, 213867, 237630, 269314, 272340, 285156, 356445, 403971, 408510, 427734, 475260, 538628, 673285, 712890, 807942, 817020, 855468, 1069335, 1211913, 1346570, 1425780, 1615884, 2019855, 2138670, 2423826, 2693140, 3635739, 4039710, 4277340, 4847652, 6059565, 7271478, 8079420, 12119130, 14542956, 18178695, 24238260, 36357390, 72714780]

約数ペア:

[(1, 72714780), (2, 36357390), (3, 24238260), (4, 18178695), (5, 14542956), (6, 12119130), (9, 8079420), (10, 7271478), (12, 6059565), (15, 4847652), (17, 4277340), (18, 4039710), (20, 3635739), (27, 2693140), (30, 2423826), (34, 2138670), (36, 2019855), (45, 1615884), (51, 1425780), (54, 1346570), (60, 1211913), (68, 1069335), (85, 855468), (89, 817020), (90, 807942), (102, 712890), (108, 673285), (135, 538628), (153, 475260), (170, 427734), (178, 408510), (180, 403971), (204, 356445), (255, 285156), (267, 272340), (270, 269314), (306, 237630), (340, 213867), (356, 204255), (445, 163404), (459, 158420), (510, 142578), (534, 136170), (540, 134657), (612, 118815), (765, 95052), (801, 90780), (890, 81702), (918, 79210), (1020, 71289), (1068, 68085), (1335, 54468), (1513, 48060), (1530, 47526), (1602, 45390), (1780, 40851), (1836, 39605), (2295, 31684), (2403, 30260), (2670, 27234), (3026, 24030), (3060, 23763), (3204, 22695), (4005, 18156), (4539, 16020), (4590, 15842), (4806, 15130), (5340, 13617), (6052, 12015), (7565, 9612), (7921, 9180), (8010, 9078)]