205679940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10613}}^1$

素因数の和:10661

約数の個数: 96

約数和(自身を含む): 641934720

約数和(自身を除く): 436254780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 10613, 19380, 21226, 31839, 42452, 53065, 63678, 106130, 127356, 159195, 180421, 201647, 212260, 318390, 360842, 403294, 541263, 604941, 636780, 721684, 806588, 902105, 1008235, 1082526, 1209882, 1804210, 2016470, 2165052, 2419764, 2706315, 3024705, 3427999, 3608420, 4032940, 5412630, 6049410, 6855998, 10283997, 10825260, 12098820, 13711996, 17139995, 20567994, 34279990, 41135988, 51419985, 68559980, 102839970, 205679940]

約数ペア:

[(1, 205679940), (2, 102839970), (3, 68559980), (4, 51419985), (5, 41135988), (6, 34279990), (10, 20567994), (12, 17139995), (15, 13711996), (17, 12098820), (19, 10825260), (20, 10283997), (30, 6855998), (34, 6049410), (38, 5412630), (51, 4032940), (57, 3608420), (60, 3427999), (68, 3024705), (76, 2706315), (85, 2419764), (95, 2165052), (102, 2016470), (114, 1804210), (170, 1209882), (190, 1082526), (204, 1008235), (228, 902105), (255, 806588), (285, 721684), (323, 636780), (340, 604941), (380, 541263), (510, 403294), (570, 360842), (646, 318390), (969, 212260), (1020, 201647), (1140, 180421), (1292, 159195), (1615, 127356), (1938, 106130), (3230, 63678), (3876, 53065), (4845, 42452), (6460, 31839), (9690, 21226), (10613, 19380)]