1215705780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4423}}^1$

素因数の和:4950

約数の個数: 96

約数和(自身を含む): 3790483200

約数和(自身を除く): 2574777420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 509, 540, 1018, 1527, 2036, 2545, 3054, 4423, 4581, 5090, 6108, 7635, 8846, 9162, 10180, 13269, 13743, 15270, 17692, 18324, 22115, 22905, 26538, 27486, 30540, 39807, 44230, 45810, 53076, 54972, 66345, 68715, 79614, 88460, 91620, 119421, 132690, 137430, 159228, 199035, 238842, 265380, 274860, 398070, 477684, 597105, 796140, 1194210, 2251307, 2388420, 4502614, 6753921, 9005228, 11256535, 13507842, 20261763, 22513070, 27015684, 33769605, 40523526, 45026140, 60785289, 67539210, 81047052, 101308815, 121570578, 135078420, 202617630, 243141156, 303926445, 405235260, 607852890, 1215705780]

約数ペア:

[(1, 1215705780), (2, 607852890), (3, 405235260), (4, 303926445), (5, 243141156), (6, 202617630), (9, 135078420), (10, 121570578), (12, 101308815), (15, 81047052), (18, 67539210), (20, 60785289), (27, 45026140), (30, 40523526), (36, 33769605), (45, 27015684), (54, 22513070), (60, 20261763), (90, 13507842), (108, 11256535), (135, 9005228), (180, 6753921), (270, 4502614), (509, 2388420), (540, 2251307), (1018, 1194210), (1527, 796140), (2036, 597105), (2545, 477684), (3054, 398070), (4423, 274860), (4581, 265380), (5090, 238842), (6108, 199035), (7635, 159228), (8846, 137430), (9162, 132690), (10180, 119421), (13269, 91620), (13743, 88460), (15270, 79614), (17692, 68715), (18324, 66345), (22115, 54972), (22905, 53076), (26538, 45810), (27486, 44230), (30540, 39807)]