81278250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 204107904

約数和(自身を除く): 122829654

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 307, 353, 375, 614, 706, 750, 921, 1059, 1535, 1765, 1842, 2118, 3070, 3530, 4605, 5295, 7675, 8825, 9210, 10590, 15350, 17650, 23025, 26475, 38375, 44125, 46050, 52950, 76750, 88250, 108371, 115125, 132375, 216742, 230250, 264750, 325113, 541855, 650226, 1083710, 1625565, 2709275, 3251130, 5418550, 8127825, 13546375, 16255650, 27092750, 40639125, 81278250]

約数ペア:

[(1, 81278250), (2, 40639125), (3, 27092750), (5, 16255650), (6, 13546375), (10, 8127825), (15, 5418550), (25, 3251130), (30, 2709275), (50, 1625565), (75, 1083710), (125, 650226), (150, 541855), (250, 325113), (307, 264750), (353, 230250), (375, 216742), (614, 132375), (706, 115125), (750, 108371), (921, 88250), (1059, 76750), (1535, 52950), (1765, 46050), (1842, 44125), (2118, 38375), (3070, 26475), (3530, 23025), (4605, 17650), (5295, 15350), (7675, 10590), (8825, 9210)]