781918480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1153}}^1$

素因数の和:1353

約数の個数: 120

約数和(自身を含む): 2128839192

約数和(自身を除く): 1346920712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 173, 196, 245, 280, 346, 392, 490, 560, 692, 784, 865, 980, 1153, 1211, 1384, 1730, 1960, 2306, 2422, 2768, 3460, 3920, 4612, 4844, 5765, 6055, 6920, 8071, 8477, 9224, 9688, 11530, 12110, 13840, 16142, 16954, 18448, 19376, 23060, 24220, 32284, 33908, 40355, 42385, 46120, 48440, 56497, 64568, 67816, 80710, 84770, 92240, 96880, 112994, 129136, 135632, 161420, 169540, 199469, 225988, 282485, 322840, 339080, 398938, 451976, 564970, 645680, 678160, 797876, 903952, 997345, 1129940, 1396283, 1595752, 1994690, 2259880, 2792566, 3191504, 3989380, 4519760, 5585132, 6981415, 7978760, 9773981, 11170264, 13962830, 15957520, 19547962, 22340528, 27925660, 39095924, 48869905, 55851320, 78191848, 97739810, 111702640, 156383696, 195479620, 390959240, 781918480]

約数ペア:

[(1, 781918480), (2, 390959240), (4, 195479620), (5, 156383696), (7, 111702640), (8, 97739810), (10, 78191848), (14, 55851320), (16, 48869905), (20, 39095924), (28, 27925660), (35, 22340528), (40, 19547962), (49, 15957520), (56, 13962830), (70, 11170264), (80, 9773981), (98, 7978760), (112, 6981415), (140, 5585132), (173, 4519760), (196, 3989380), (245, 3191504), (280, 2792566), (346, 2259880), (392, 1994690), (490, 1595752), (560, 1396283), (692, 1129940), (784, 997345), (865, 903952), (980, 797876), (1153, 678160), (1211, 645680), (1384, 564970), (1730, 451976), (1960, 398938), (2306, 339080), (2422, 322840), (2768, 282485), (3460, 225988), (3920, 199469), (4612, 169540), (4844, 161420), (5765, 135632), (6055, 129136), (6920, 112994), (8071, 96880), (8477, 92240), (9224, 84770), (9688, 80710), (11530, 67816), (12110, 64568), (13840, 56497), (16142, 48440), (16954, 46120), (18448, 42385), (19376, 40355), (23060, 33908), (24220, 32284)]